Home / 1,983.52-2,970.76-1,250.92

Finding the Fourth Proportional to 1,983.52, 2,970.76 and 1,250.92

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Solution

The fourth proportional to 1,983.52, 2,970.76 and 1,250.92 is: 1,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.52 : 2,970.76 = 1,250.92 : x
  2. Step 2: Convert to fraction form
    1,983.52/2,970.76 = 1,250.92/x
  3. Step 3: Cross multiply
    1,983.52x = 2,970.76 × 1,250.92
  4. Step 4: Simplify right side
    1,983.52x = 3,716,183.10
  5. Step 5: Solve for x
    x = 3,716,183.10/1,983.52
  6. Step 6: Final answer
    x = 1,873.53

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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.