Home / 2,945.52-4,065.04-1,686.97

Finding the Fourth Proportional to 2,945.52, 4,065.04 and 1,686.97

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Solution

The fourth proportional to 2,945.52, 4,065.04 and 1,686.97 is: 2,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.52 : 4,065.04 = 1,686.97 : x
  2. Step 2: Convert to fraction form
    2,945.52/4,065.04 = 1,686.97/x
  3. Step 3: Cross multiply
    2,945.52x = 4,065.04 × 1,686.97
  4. Step 4: Simplify right side
    2,945.52x = 6,857,580.20
  5. Step 5: Solve for x
    x = 6,857,580.20/2,945.52
  6. Step 6: Final answer
    x = 2,328.14

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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.