Home / 3,459.20-5,187.56-1,510.96

Finding the Fourth Proportional to 3,459.20, 5,187.56 and 1,510.96

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Solution

The fourth proportional to 3,459.20, 5,187.56 and 1,510.96 is: 2,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.20 : 5,187.56 = 1,510.96 : x
  2. Step 2: Convert to fraction form
    3,459.20/5,187.56 = 1,510.96/x
  3. Step 3: Cross multiply
    3,459.20x = 5,187.56 × 1,510.96
  4. Step 4: Simplify right side
    3,459.20x = 7,838,195.66
  5. Step 5: Solve for x
    x = 7,838,195.66/3,459.20
  6. Step 6: Final answer
    x = 2,265.90

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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.