Home / 1,550.31-2,325.46-1,275.82

Finding the Fourth Proportional to 1,550.31, 2,325.46 and 1,275.82

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Solution

The fourth proportional to 1,550.31, 2,325.46 and 1,275.82 is: 1,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.31 : 2,325.46 = 1,275.82 : x
  2. Step 2: Convert to fraction form
    1,550.31/2,325.46 = 1,275.82/x
  3. Step 3: Cross multiply
    1,550.31x = 2,325.46 × 1,275.82
  4. Step 4: Simplify right side
    1,550.31x = 2,966,861.77
  5. Step 5: Solve for x
    x = 2,966,861.77/1,550.31
  6. Step 6: Final answer
    x = 1,913.73

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Similar ratio
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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.