Home / 2,148.46-2,966.55-1,650.31

Finding the Fourth Proportional to 2,148.46, 2,966.55 and 1,650.31

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Solution

The fourth proportional to 2,148.46, 2,966.55 and 1,650.31 is: 2,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.46 : 2,966.55 = 1,650.31 : x
  2. Step 2: Convert to fraction form
    2,148.46/2,966.55 = 1,650.31/x
  3. Step 3: Cross multiply
    2,148.46x = 2,966.55 × 1,650.31
  4. Step 4: Simplify right side
    2,148.46x = 4,895,727.13
  5. Step 5: Solve for x
    x = 4,895,727.13/2,148.46
  6. Step 6: Final answer
    x = 2,278.71

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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.