Home / 3,212.30-4,818.45-1,569.90

Finding the Fourth Proportional to 3,212.30, 4,818.45 and 1,569.90

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Solution

The fourth proportional to 3,212.30, 4,818.45 and 1,569.90 is: 2,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.30 : 4,818.45 = 1,569.90 : x
  2. Step 2: Convert to fraction form
    3,212.30/4,818.45 = 1,569.90/x
  3. Step 3: Cross multiply
    3,212.30x = 4,818.45 × 1,569.90
  4. Step 4: Simplify right side
    3,212.30x = 7,564,484.66
  5. Step 5: Solve for x
    x = 7,564,484.66/3,212.30
  6. Step 6: Final answer
    x = 2,354.85

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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.