Home / 2,842.18-4,262.34-1,038.71

Finding the Fourth Proportional to 2,842.18, 4,262.34 and 1,038.71

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Solution

The fourth proportional to 2,842.18, 4,262.34 and 1,038.71 is: 1,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.18 : 4,262.34 = 1,038.71 : x
  2. Step 2: Convert to fraction form
    2,842.18/4,262.34 = 1,038.71/x
  3. Step 3: Cross multiply
    2,842.18x = 4,262.34 × 1,038.71
  4. Step 4: Simplify right side
    2,842.18x = 4,427,349.73
  5. Step 5: Solve for x
    x = 4,427,349.73/2,842.18
  6. Step 6: Final answer
    x = 1,557.73

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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.