Home / 2,957.32-4,081.06-1,631.08

Finding the Fourth Proportional to 2,957.32, 4,081.06 and 1,631.08

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Solution

The fourth proportional to 2,957.32, 4,081.06 and 1,631.08 is: 2,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.32 : 4,081.06 = 1,631.08 : x
  2. Step 2: Convert to fraction form
    2,957.32/4,081.06 = 1,631.08/x
  3. Step 3: Cross multiply
    2,957.32x = 4,081.06 × 1,631.08
  4. Step 4: Simplify right side
    2,957.32x = 6,656,535.34
  5. Step 5: Solve for x
    x = 6,656,535.34/2,957.32
  6. Step 6: Final answer
    x = 2,250.87

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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.