Home / 2,854.32-4,281.45-1,005.39

Finding the Fourth Proportional to 2,854.32, 4,281.45 and 1,005.39

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Solution

The fourth proportional to 2,854.32, 4,281.45 and 1,005.39 is: 1,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.32 : 4,281.45 = 1,005.39 : x
  2. Step 2: Convert to fraction form
    2,854.32/4,281.45 = 1,005.39/x
  3. Step 3: Cross multiply
    2,854.32x = 4,281.45 × 1,005.39
  4. Step 4: Simplify right side
    2,854.32x = 4,304,527.02
  5. Step 5: Solve for x
    x = 4,304,527.02/2,854.32
  6. Step 6: Final answer
    x = 1,508.07

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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.