Home / 3,901.96-5,387.53-2,411.92

Finding the Fourth Proportional to 3,901.96, 5,387.53 and 2,411.92

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Solution

The fourth proportional to 3,901.96, 5,387.53 and 2,411.92 is: 3,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.96 : 5,387.53 = 2,411.92 : x
  2. Step 2: Convert to fraction form
    3,901.96/5,387.53 = 2,411.92/x
  3. Step 3: Cross multiply
    3,901.96x = 5,387.53 × 2,411.92
  4. Step 4: Simplify right side
    3,901.96x = 12,994,279.30
  5. Step 5: Solve for x
    x = 12,994,279.30/3,901.96
  6. Step 6: Final answer
    x = 3,330.19

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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.