Home / 3,089.12-4,633.54-1,114.79

Finding the Fourth Proportional to 3,089.12, 4,633.54 and 1,114.79

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Solution

The fourth proportional to 3,089.12, 4,633.54 and 1,114.79 is: 1,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.12 : 4,633.54 = 1,114.79 : x
  2. Step 2: Convert to fraction form
    3,089.12/4,633.54 = 1,114.79/x
  3. Step 3: Cross multiply
    3,089.12x = 4,633.54 × 1,114.79
  4. Step 4: Simplify right side
    3,089.12x = 5,165,398.10
  5. Step 5: Solve for x
    x = 5,165,398.10/3,089.12
  6. Step 6: Final answer
    x = 1,672.13

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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.