Home / 3,407.04-5,115.15-1,764.90

Finding the Fourth Proportional to 3,407.04, 5,115.15 and 1,764.90

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Solution

The fourth proportional to 3,407.04, 5,115.15 and 1,764.90 is: 2,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.04 : 5,115.15 = 1,764.90 : x
  2. Step 2: Convert to fraction form
    3,407.04/5,115.15 = 1,764.90/x
  3. Step 3: Cross multiply
    3,407.04x = 5,115.15 × 1,764.90
  4. Step 4: Simplify right side
    3,407.04x = 9,027,728.24
  5. Step 5: Solve for x
    x = 9,027,728.24/3,407.04
  6. Step 6: Final answer
    x = 2,649.73

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1.5x scale

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.