Home / 2,160.34-3,240.01-844.12

Finding the Fourth Proportional to 2,160.34, 3,240.01 and 844.12

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Solution

The fourth proportional to 2,160.34, 3,240.01 and 844.12 is: 1,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.34 : 3,240.01 = 844.12 : x
  2. Step 2: Convert to fraction form
    2,160.34/3,240.01 = 844.12/x
  3. Step 3: Cross multiply
    2,160.34x = 3,240.01 × 844.12
  4. Step 4: Simplify right side
    2,160.34x = 2,734,957.24
  5. Step 5: Solve for x
    x = 2,734,957.24/2,160.34
  6. Step 6: Final answer
    x = 1,265.98

Related Problems

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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.