Home / 1,649.13-2,275.82-1,019.52

Finding the Fourth Proportional to 1,649.13, 2,275.82 and 1,019.52

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Solution

The fourth proportional to 1,649.13, 2,275.82 and 1,019.52 is: 1,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.13 : 2,275.82 = 1,019.52 : x
  2. Step 2: Convert to fraction form
    1,649.13/2,275.82 = 1,019.52/x
  3. Step 3: Cross multiply
    1,649.13x = 2,275.82 × 1,019.52
  4. Step 4: Simplify right side
    1,649.13x = 2,320,242.73
  5. Step 5: Solve for x
    x = 2,320,242.73/1,649.13
  6. Step 6: Final answer
    x = 1,406.95

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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.