Home / 2,449.08-3,670.29-1,129.93

Finding the Fourth Proportional to 2,449.08, 3,670.29 and 1,129.93

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Solution

The fourth proportional to 2,449.08, 3,670.29 and 1,129.93 is: 1,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.08 : 3,670.29 = 1,129.93 : x
  2. Step 2: Convert to fraction form
    2,449.08/3,670.29 = 1,129.93/x
  3. Step 3: Cross multiply
    2,449.08x = 3,670.29 × 1,129.93
  4. Step 4: Simplify right side
    2,449.08x = 4,147,170.78
  5. Step 5: Solve for x
    x = 4,147,170.78/2,449.08
  6. Step 6: Final answer
    x = 1,693.36

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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.