Home / 2,455.29-3,680.91-1,631.52

Finding the Fourth Proportional to 2,455.29, 3,680.91 and 1,631.52

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Solution

The fourth proportional to 2,455.29, 3,680.91 and 1,631.52 is: 2,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.29 : 3,680.91 = 1,631.52 : x
  2. Step 2: Convert to fraction form
    2,455.29/3,680.91 = 1,631.52/x
  3. Step 3: Cross multiply
    2,455.29x = 3,680.91 × 1,631.52
  4. Step 4: Simplify right side
    2,455.29x = 6,005,478.28
  5. Step 5: Solve for x
    x = 6,005,478.28/2,455.29
  6. Step 6: Final answer
    x = 2,445.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.