Home / 3,904.55-5,387.75-2,332.31

Finding the Fourth Proportional to 3,904.55, 5,387.75 and 2,332.31

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Solution

The fourth proportional to 3,904.55, 5,387.75 and 2,332.31 is: 3,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.55 : 5,387.75 = 2,332.31 : x
  2. Step 2: Convert to fraction form
    3,904.55/5,387.75 = 2,332.31/x
  3. Step 3: Cross multiply
    3,904.55x = 5,387.75 × 2,332.31
  4. Step 4: Simplify right side
    3,904.55x = 12,565,919.59
  5. Step 5: Solve for x
    x = 12,565,919.59/3,904.55
  6. Step 6: Final answer
    x = 3,218.27

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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.