Home / 1,542.35-2,122.28-1,499.28

Finding the Fourth Proportional to 1,542.35, 2,122.28 and 1,499.28

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Solution

The fourth proportional to 1,542.35, 2,122.28 and 1,499.28 is: 2,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.35 : 2,122.28 = 1,499.28 : x
  2. Step 2: Convert to fraction form
    1,542.35/2,122.28 = 1,499.28/x
  3. Step 3: Cross multiply
    1,542.35x = 2,122.28 × 1,499.28
  4. Step 4: Simplify right side
    1,542.35x = 3,181,884.46
  5. Step 5: Solve for x
    x = 3,181,884.46/1,542.35
  6. Step 6: Final answer
    x = 2,063.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.