Home / 3,458.31-5,184.09-1,377.69

Finding the Fourth Proportional to 3,458.31, 5,184.09 and 1,377.69

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Solution

The fourth proportional to 3,458.31, 5,184.09 and 1,377.69 is: 2,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.31 : 5,184.09 = 1,377.69 : x
  2. Step 2: Convert to fraction form
    3,458.31/5,184.09 = 1,377.69/x
  3. Step 3: Cross multiply
    3,458.31x = 5,184.09 × 1,377.69
  4. Step 4: Simplify right side
    3,458.31x = 7,142,068.95
  5. Step 5: Solve for x
    x = 7,142,068.95/3,458.31
  6. Step 6: Final answer
    x = 2,065.19

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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.