Home / 1,758.16-2,630.22-1,517.32

Finding the Fourth Proportional to 1,758.16, 2,630.22 and 1,517.32

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Solution

The fourth proportional to 1,758.16, 2,630.22 and 1,517.32 is: 2,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.16 : 2,630.22 = 1,517.32 : x
  2. Step 2: Convert to fraction form
    1,758.16/2,630.22 = 1,517.32/x
  3. Step 3: Cross multiply
    1,758.16x = 2,630.22 × 1,517.32
  4. Step 4: Simplify right side
    1,758.16x = 3,990,885.41
  5. Step 5: Solve for x
    x = 3,990,885.41/1,758.16
  6. Step 6: Final answer
    x = 2,269.92

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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.