Home / 1,350.60-2,024.68-939.93

Finding the Fourth Proportional to 1,350.60, 2,024.68 and 939.93

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Solution

The fourth proportional to 1,350.60, 2,024.68 and 939.93 is: 1,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.60 : 2,024.68 = 939.93 : x
  2. Step 2: Convert to fraction form
    1,350.60/2,024.68 = 939.93/x
  3. Step 3: Cross multiply
    1,350.60x = 2,024.68 × 939.93
  4. Step 4: Simplify right side
    1,350.60x = 1,903,057.47
  5. Step 5: Solve for x
    x = 1,903,057.47/1,350.60
  6. Step 6: Final answer
    x = 1,409.05

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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.