Home / 1,050.20-1,575.07-610.52

Finding the Fourth Proportional to 1,050.20, 1,575.07 and 610.52

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Solution

The fourth proportional to 1,050.20, 1,575.07 and 610.52 is: 915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.20 : 1,575.07 = 610.52 : x
  2. Step 2: Convert to fraction form
    1,050.20/1,575.07 = 610.52/x
  3. Step 3: Cross multiply
    1,050.20x = 1,575.07 × 610.52
  4. Step 4: Simplify right side
    1,050.20x = 961,611.74
  5. Step 5: Solve for x
    x = 961,611.74/1,050.20
  6. Step 6: Final answer
    x = 915.65

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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.