Home / 3,740.34-5,160.71-2,377.11

Finding the Fourth Proportional to 3,740.34, 5,160.71 and 2,377.11

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Solution

The fourth proportional to 3,740.34, 5,160.71 and 2,377.11 is: 3,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.34 : 5,160.71 = 2,377.11 : x
  2. Step 2: Convert to fraction form
    3,740.34/5,160.71 = 2,377.11/x
  3. Step 3: Cross multiply
    3,740.34x = 5,160.71 × 2,377.11
  4. Step 4: Simplify right side
    3,740.34x = 12,267,581.29
  5. Step 5: Solve for x
    x = 12,267,581.29/3,740.34
  6. Step 6: Final answer
    x = 3,279.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.