Home / 3,958.88-5,463.45-2,387.07

Finding the Fourth Proportional to 3,958.88, 5,463.45 and 2,387.07

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Solution

The fourth proportional to 3,958.88, 5,463.45 and 2,387.07 is: 3,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.88 : 5,463.45 = 2,387.07 : x
  2. Step 2: Convert to fraction form
    3,958.88/5,463.45 = 2,387.07/x
  3. Step 3: Cross multiply
    3,958.88x = 5,463.45 × 2,387.07
  4. Step 4: Simplify right side
    3,958.88x = 13,041,637.59
  5. Step 5: Solve for x
    x = 13,041,637.59/3,958.88
  6. Step 6: Final answer
    x = 3,294.28

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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.