Home / 2,948.45-4,425.20-1,562.75

Finding the Fourth Proportional to 2,948.45, 4,425.20 and 1,562.75

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Solution

The fourth proportional to 2,948.45, 4,425.20 and 1,562.75 is: 2,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.45 : 4,425.20 = 1,562.75 : x
  2. Step 2: Convert to fraction form
    2,948.45/4,425.20 = 1,562.75/x
  3. Step 3: Cross multiply
    2,948.45x = 4,425.20 × 1,562.75
  4. Step 4: Simplify right side
    2,948.45x = 6,915,484.55
  5. Step 5: Solve for x
    x = 6,915,484.55/2,948.45
  6. Step 6: Final answer
    x = 2,345.47

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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.