Home / 1,532.68-2,299.02-1,321.27

Finding the Fourth Proportional to 1,532.68, 2,299.02 and 1,321.27

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Solution

The fourth proportional to 1,532.68, 2,299.02 and 1,321.27 is: 1,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.68 : 2,299.02 = 1,321.27 : x
  2. Step 2: Convert to fraction form
    1,532.68/2,299.02 = 1,321.27/x
  3. Step 3: Cross multiply
    1,532.68x = 2,299.02 × 1,321.27
  4. Step 4: Simplify right side
    1,532.68x = 3,037,626.16
  5. Step 5: Solve for x
    x = 3,037,626.16/1,532.68
  6. Step 6: Final answer
    x = 1,981.91

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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.