Home / 2,434.30-3,651.66-790.90

Finding the Fourth Proportional to 2,434.30, 3,651.66 and 790.90

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Solution

The fourth proportional to 2,434.30, 3,651.66 and 790.90 is: 1,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.30 : 3,651.66 = 790.90 : x
  2. Step 2: Convert to fraction form
    2,434.30/3,651.66 = 790.90/x
  3. Step 3: Cross multiply
    2,434.30x = 3,651.66 × 790.90
  4. Step 4: Simplify right side
    2,434.30x = 2,888,097.89
  5. Step 5: Solve for x
    x = 2,888,097.89/2,434.30
  6. Step 6: Final answer
    x = 1,186.42

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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.