Home / 1,432.23-2,148.56-610.50

Finding the Fourth Proportional to 1,432.23, 2,148.56 and 610.50

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Solution

The fourth proportional to 1,432.23, 2,148.56 and 610.50 is: 915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.23 : 2,148.56 = 610.50 : x
  2. Step 2: Convert to fraction form
    1,432.23/2,148.56 = 610.50/x
  3. Step 3: Cross multiply
    1,432.23x = 2,148.56 × 610.50
  4. Step 4: Simplify right side
    1,432.23x = 1,311,695.88
  5. Step 5: Solve for x
    x = 1,311,695.88/1,432.23
  6. Step 6: Final answer
    x = 915.84

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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.