Home / 2,278.66-3,418.02-1,030.02

Finding the Fourth Proportional to 2,278.66, 3,418.02 and 1,030.02

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Solution

The fourth proportional to 2,278.66, 3,418.02 and 1,030.02 is: 1,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.66 : 3,418.02 = 1,030.02 : x
  2. Step 2: Convert to fraction form
    2,278.66/3,418.02 = 1,030.02/x
  3. Step 3: Cross multiply
    2,278.66x = 3,418.02 × 1,030.02
  4. Step 4: Simplify right side
    2,278.66x = 3,520,619.04
  5. Step 5: Solve for x
    x = 3,520,619.04/2,278.66
  6. Step 6: Final answer
    x = 1,545.04

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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.