Home / 1,532.80-2,299.21-985.37

Finding the Fourth Proportional to 1,532.80, 2,299.21 and 985.37

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Solution

The fourth proportional to 1,532.80, 2,299.21 and 985.37 is: 1,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.80 : 2,299.21 = 985.37 : x
  2. Step 2: Convert to fraction form
    1,532.80/2,299.21 = 985.37/x
  3. Step 3: Cross multiply
    1,532.80x = 2,299.21 × 985.37
  4. Step 4: Simplify right side
    1,532.80x = 2,265,561.37
  5. Step 5: Solve for x
    x = 2,265,561.37/1,532.80
  6. Step 6: Final answer
    x = 1,478.06

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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.