Home / 3,904.32-5,387.52-2,331.84

Finding the Fourth Proportional to 3,904.32, 5,387.52 and 2,331.84

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Solution

The fourth proportional to 3,904.32, 5,387.52 and 2,331.84 is: 3,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.32 : 5,387.52 = 2,331.84 : x
  2. Step 2: Convert to fraction form
    3,904.32/5,387.52 = 2,331.84/x
  3. Step 3: Cross multiply
    3,904.32x = 5,387.52 × 2,331.84
  4. Step 4: Simplify right side
    3,904.32x = 12,562,834.64
  5. Step 5: Solve for x
    x = 12,562,834.64/3,904.32
  6. Step 6: Final answer
    x = 3,217.68

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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.