Home / 3,746.29-5,171.87-2,905.11

Finding the Fourth Proportional to 3,746.29, 5,171.87 and 2,905.11

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Solution

The fourth proportional to 3,746.29, 5,171.87 and 2,905.11 is: 4,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.29 : 5,171.87 = 2,905.11 : x
  2. Step 2: Convert to fraction form
    3,746.29/5,171.87 = 2,905.11/x
  3. Step 3: Cross multiply
    3,746.29x = 5,171.87 × 2,905.11
  4. Step 4: Simplify right side
    3,746.29x = 15,024,851.26
  5. Step 5: Solve for x
    x = 15,024,851.26/3,746.29
  6. Step 6: Final answer
    x = 4,010.59

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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.