Home / 2,432.61-3,357.68-1,438.44

Finding the Fourth Proportional to 2,432.61, 3,357.68 and 1,438.44

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Solution

The fourth proportional to 2,432.61, 3,357.68 and 1,438.44 is: 1,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.61 : 3,357.68 = 1,438.44 : x
  2. Step 2: Convert to fraction form
    2,432.61/3,357.68 = 1,438.44/x
  3. Step 3: Cross multiply
    2,432.61x = 3,357.68 × 1,438.44
  4. Step 4: Simplify right side
    2,432.61x = 4,829,801.44
  5. Step 5: Solve for x
    x = 4,829,801.44/2,432.61
  6. Step 6: Final answer
    x = 1,985.44

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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.