Home / 1,350.04-2,021.76-938.02

Finding the Fourth Proportional to 1,350.04, 2,021.76 and 938.02

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Solution

The fourth proportional to 1,350.04, 2,021.76 and 938.02 is: 1,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.04 : 2,021.76 = 938.02 : x
  2. Step 2: Convert to fraction form
    1,350.04/2,021.76 = 938.02/x
  3. Step 3: Cross multiply
    1,350.04x = 2,021.76 × 938.02
  4. Step 4: Simplify right side
    1,350.04x = 1,896,451.32
  5. Step 5: Solve for x
    x = 1,896,451.32/1,350.04
  6. Step 6: Final answer
    x = 1,404.74

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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.