Home / 3,877.03-5,345.19-3,160.18

Finding the Fourth Proportional to 3,877.03, 5,345.19 and 3,160.18

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Solution

The fourth proportional to 3,877.03, 5,345.19 and 3,160.18 is: 4,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.03 : 5,345.19 = 3,160.18 : x
  2. Step 2: Convert to fraction form
    3,877.03/5,345.19 = 3,160.18/x
  3. Step 3: Cross multiply
    3,877.03x = 5,345.19 × 3,160.18
  4. Step 4: Simplify right side
    3,877.03x = 16,891,762.53
  5. Step 5: Solve for x
    x = 16,891,762.53/3,877.03
  6. Step 6: Final answer
    x = 4,356.88

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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.