Home / 2,931.98-4,397.74-1,176.91

Finding the Fourth Proportional to 2,931.98, 4,397.74 and 1,176.91

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Solution

The fourth proportional to 2,931.98, 4,397.74 and 1,176.91 is: 1,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.98 : 4,397.74 = 1,176.91 : x
  2. Step 2: Convert to fraction form
    2,931.98/4,397.74 = 1,176.91/x
  3. Step 3: Cross multiply
    2,931.98x = 4,397.74 × 1,176.91
  4. Step 4: Simplify right side
    2,931.98x = 5,175,761.60
  5. Step 5: Solve for x
    x = 5,175,761.60/2,931.98
  6. Step 6: Final answer
    x = 1,765.28

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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.