Home / 1,935.28-2,900.22-1,010.80

Finding the Fourth Proportional to 1,935.28, 2,900.22 and 1,010.80

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Solution

The fourth proportional to 1,935.28, 2,900.22 and 1,010.80 is: 1,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.28 : 2,900.22 = 1,010.80 : x
  2. Step 2: Convert to fraction form
    1,935.28/2,900.22 = 1,010.80/x
  3. Step 3: Cross multiply
    1,935.28x = 2,900.22 × 1,010.80
  4. Step 4: Simplify right side
    1,935.28x = 2,931,542.38
  5. Step 5: Solve for x
    x = 2,931,542.38/1,935.28
  6. Step 6: Final answer
    x = 1,514.79

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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.