Home / 2,931.34-4,397.01-1,198.75

Finding the Fourth Proportional to 2,931.34, 4,397.01 and 1,198.75

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Solution

The fourth proportional to 2,931.34, 4,397.01 and 1,198.75 is: 1,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.34 : 4,397.01 = 1,198.75 : x
  2. Step 2: Convert to fraction form
    2,931.34/4,397.01 = 1,198.75/x
  3. Step 3: Cross multiply
    2,931.34x = 4,397.01 × 1,198.75
  4. Step 4: Simplify right side
    2,931.34x = 5,270,915.74
  5. Step 5: Solve for x
    x = 5,270,915.74/2,931.34
  6. Step 6: Final answer
    x = 1,798.13

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.