Home / 3,508.61-5,263.78-1,043.42

Finding the Fourth Proportional to 3,508.61, 5,263.78 and 1,043.42

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Solution

The fourth proportional to 3,508.61, 5,263.78 and 1,043.42 is: 1,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.61 : 5,263.78 = 1,043.42 : x
  2. Step 2: Convert to fraction form
    3,508.61/5,263.78 = 1,043.42/x
  3. Step 3: Cross multiply
    3,508.61x = 5,263.78 × 1,043.42
  4. Step 4: Simplify right side
    3,508.61x = 5,492,304.40
  5. Step 5: Solve for x
    x = 5,492,304.40/3,508.61
  6. Step 6: Final answer
    x = 1,565.38

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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.