Home / 2,957.52-4,081.46-1,631.28

Finding the Fourth Proportional to 2,957.52, 4,081.46 and 1,631.28

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Solution

The fourth proportional to 2,957.52, 4,081.46 and 1,631.28 is: 2,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.52 : 4,081.46 = 1,631.28 : x
  2. Step 2: Convert to fraction form
    2,957.52/4,081.46 = 1,631.28/x
  3. Step 3: Cross multiply
    2,957.52x = 4,081.46 × 1,631.28
  4. Step 4: Simplify right side
    2,957.52x = 6,658,004.07
  5. Step 5: Solve for x
    x = 6,658,004.07/2,957.52
  6. Step 6: Final answer
    x = 2,251.21

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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.