Home / 3,904.01-5,387.52-2,135.61

Finding the Fourth Proportional to 3,904.01, 5,387.52 and 2,135.61

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Solution

The fourth proportional to 3,904.01, 5,387.52 and 2,135.61 is: 2,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.01 : 5,387.52 = 2,135.61 : x
  2. Step 2: Convert to fraction form
    3,904.01/5,387.52 = 2,135.61/x
  3. Step 3: Cross multiply
    3,904.01x = 5,387.52 × 2,135.61
  4. Step 4: Simplify right side
    3,904.01x = 11,505,641.59
  5. Step 5: Solve for x
    x = 11,505,641.59/3,904.01
  6. Step 6: Final answer
    x = 2,947.14

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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.