Home / 3,000.48-4,500.56-1,267.92

Finding the Fourth Proportional to 3,000.48, 4,500.56 and 1,267.92

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Solution

The fourth proportional to 3,000.48, 4,500.56 and 1,267.92 is: 1,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.48 : 4,500.56 = 1,267.92 : x
  2. Step 2: Convert to fraction form
    3,000.48/4,500.56 = 1,267.92/x
  3. Step 3: Cross multiply
    3,000.48x = 4,500.56 × 1,267.92
  4. Step 4: Simplify right side
    3,000.48x = 5,706,350.04
  5. Step 5: Solve for x
    x = 5,706,350.04/3,000.48
  6. Step 6: Final answer
    x = 1,901.81

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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.