Home / 2,149.17-3,223.71-1,038.71

Finding the Fourth Proportional to 2,149.17, 3,223.71 and 1,038.71

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Solution

The fourth proportional to 2,149.17, 3,223.71 and 1,038.71 is: 1,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.17 : 3,223.71 = 1,038.71 : x
  2. Step 2: Convert to fraction form
    2,149.17/3,223.71 = 1,038.71/x
  3. Step 3: Cross multiply
    2,149.17x = 3,223.71 × 1,038.71
  4. Step 4: Simplify right side
    2,149.17x = 3,348,483.70
  5. Step 5: Solve for x
    x = 3,348,483.70/2,149.17
  6. Step 6: Final answer
    x = 1,558.04

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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.