Home / 3,913.29-5,401.17-2,587.17

Finding the Fourth Proportional to 3,913.29, 5,401.17 and 2,587.17

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Solution

The fourth proportional to 3,913.29, 5,401.17 and 2,587.17 is: 3,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.29 : 5,401.17 = 2,587.17 : x
  2. Step 2: Convert to fraction form
    3,913.29/5,401.17 = 2,587.17/x
  3. Step 3: Cross multiply
    3,913.29x = 5,401.17 × 2,587.17
  4. Step 4: Simplify right side
    3,913.29x = 13,973,744.99
  5. Step 5: Solve for x
    x = 13,973,744.99/3,913.29
  6. Step 6: Final answer
    x = 3,570.84

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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.