Home / 1,532.45-2,299.69-985.02

Finding the Fourth Proportional to 1,532.45, 2,299.69 and 985.02

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Solution

The fourth proportional to 1,532.45, 2,299.69 and 985.02 is: 1,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.45 : 2,299.69 = 985.02 : x
  2. Step 2: Convert to fraction form
    1,532.45/2,299.69 = 985.02/x
  3. Step 3: Cross multiply
    1,532.45x = 2,299.69 × 985.02
  4. Step 4: Simplify right side
    1,532.45x = 2,265,235.72
  5. Step 5: Solve for x
    x = 2,265,235.72/1,532.45
  6. Step 6: Final answer
    x = 1,478.18

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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.