Home / 3,045.28-4,569.52-2,161.52

Finding the Fourth Proportional to 3,045.28, 4,569.52 and 2,161.52

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Solution

The fourth proportional to 3,045.28, 4,569.52 and 2,161.52 is: 3,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.28 : 4,569.52 = 2,161.52 : x
  2. Step 2: Convert to fraction form
    3,045.28/4,569.52 = 2,161.52/x
  3. Step 3: Cross multiply
    3,045.28x = 4,569.52 × 2,161.52
  4. Step 4: Simplify right side
    3,045.28x = 9,877,105.86
  5. Step 5: Solve for x
    x = 9,877,105.86/3,045.28
  6. Step 6: Final answer
    x = 3,243.42

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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.