Home / 3,280.52-4,921.02-1,332.76

Finding the Fourth Proportional to 3,280.52, 4,921.02 and 1,332.76

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Solution

The fourth proportional to 3,280.52, 4,921.02 and 1,332.76 is: 1,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.52 : 4,921.02 = 1,332.76 : x
  2. Step 2: Convert to fraction form
    3,280.52/4,921.02 = 1,332.76/x
  3. Step 3: Cross multiply
    3,280.52x = 4,921.02 × 1,332.76
  4. Step 4: Simplify right side
    3,280.52x = 6,558,538.62
  5. Step 5: Solve for x
    x = 6,558,538.62/3,280.52
  6. Step 6: Final answer
    x = 1,999.24

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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.