Home / 2,025.19-3,037.63-981.97

Finding the Fourth Proportional to 2,025.19, 3,037.63 and 981.97

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Solution

The fourth proportional to 2,025.19, 3,037.63 and 981.97 is: 1,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.19 : 3,037.63 = 981.97 : x
  2. Step 2: Convert to fraction form
    2,025.19/3,037.63 = 981.97/x
  3. Step 3: Cross multiply
    2,025.19x = 3,037.63 × 981.97
  4. Step 4: Simplify right side
    2,025.19x = 2,982,861.53
  5. Step 5: Solve for x
    x = 2,982,861.53/2,025.19
  6. Step 6: Final answer
    x = 1,472.88

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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.