Home / 2,290.41-3,432.85-1,056.11

Finding the Fourth Proportional to 2,290.41, 3,432.85 and 1,056.11

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Solution

The fourth proportional to 2,290.41, 3,432.85 and 1,056.11 is: 1,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.41 : 3,432.85 = 1,056.11 : x
  2. Step 2: Convert to fraction form
    2,290.41/3,432.85 = 1,056.11/x
  3. Step 3: Cross multiply
    2,290.41x = 3,432.85 × 1,056.11
  4. Step 4: Simplify right side
    2,290.41x = 3,625,447.41
  5. Step 5: Solve for x
    x = 3,625,447.41/2,290.41
  6. Step 6: Final answer
    x = 1,582.88

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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.