Home / 1,074.30-1,611.45-1,014.90

Finding the Fourth Proportional to 1,074.30, 1,611.45 and 1,014.90

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Solution

The fourth proportional to 1,074.30, 1,611.45 and 1,014.90 is: 1,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.30 : 1,611.45 = 1,014.90 : x
  2. Step 2: Convert to fraction form
    1,074.30/1,611.45 = 1,014.90/x
  3. Step 3: Cross multiply
    1,074.30x = 1,611.45 × 1,014.90
  4. Step 4: Simplify right side
    1,074.30x = 1,635,460.61
  5. Step 5: Solve for x
    x = 1,635,460.61/1,074.30
  6. Step 6: Final answer
    x = 1,522.35

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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.