Home / 1,432.13-2,148.35-507.93

Finding the Fourth Proportional to 1,432.13, 2,148.35 and 507.93

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Solution

The fourth proportional to 1,432.13, 2,148.35 and 507.93 is: 761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.13 : 2,148.35 = 507.93 : x
  2. Step 2: Convert to fraction form
    1,432.13/2,148.35 = 507.93/x
  3. Step 3: Cross multiply
    1,432.13x = 2,148.35 × 507.93
  4. Step 4: Simplify right side
    1,432.13x = 1,091,208.88
  5. Step 5: Solve for x
    x = 1,091,208.88/1,432.13
  6. Step 6: Final answer
    x = 761.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.