Home / 3,909.64-5,393.48-2,337.16

Finding the Fourth Proportional to 3,909.64, 5,393.48 and 2,337.16

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Solution

The fourth proportional to 3,909.64, 5,393.48 and 2,337.16 is: 3,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.64 : 5,393.48 = 2,337.16 : x
  2. Step 2: Convert to fraction form
    3,909.64/5,393.48 = 2,337.16/x
  3. Step 3: Cross multiply
    3,909.64x = 5,393.48 × 2,337.16
  4. Step 4: Simplify right side
    3,909.64x = 12,605,425.72
  5. Step 5: Solve for x
    x = 12,605,425.72/3,909.64
  6. Step 6: Final answer
    x = 3,224.19

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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.