Home / 3,913.84-5,402.20-2,257.52

Finding the Fourth Proportional to 3,913.84, 5,402.20 and 2,257.52

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Solution

The fourth proportional to 3,913.84, 5,402.20 and 2,257.52 is: 3,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.84 : 5,402.20 = 2,257.52 : x
  2. Step 2: Convert to fraction form
    3,913.84/5,402.20 = 2,257.52/x
  3. Step 3: Cross multiply
    3,913.84x = 5,402.20 × 2,257.52
  4. Step 4: Simplify right side
    3,913.84x = 12,195,574.54
  5. Step 5: Solve for x
    x = 12,195,574.54/3,913.84
  6. Step 6: Final answer
    x = 3,116.01

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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.