Home / 2,138.20-2,951.04-1,548.52

Finding the Fourth Proportional to 2,138.20, 2,951.04 and 1,548.52

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Solution

The fourth proportional to 2,138.20, 2,951.04 and 1,548.52 is: 2,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.20 : 2,951.04 = 1,548.52 : x
  2. Step 2: Convert to fraction form
    2,138.20/2,951.04 = 1,548.52/x
  3. Step 3: Cross multiply
    2,138.20x = 2,951.04 × 1,548.52
  4. Step 4: Simplify right side
    2,138.20x = 4,569,744.46
  5. Step 5: Solve for x
    x = 4,569,744.46/2,138.20
  6. Step 6: Final answer
    x = 2,137.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.