Home / 2,959.03-4,428.98-2,178.87

Finding the Fourth Proportional to 2,959.03, 4,428.98 and 2,178.87

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Solution

The fourth proportional to 2,959.03, 4,428.98 and 2,178.87 is: 3,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.03 : 4,428.98 = 2,178.87 : x
  2. Step 2: Convert to fraction form
    2,959.03/4,428.98 = 2,178.87/x
  3. Step 3: Cross multiply
    2,959.03x = 4,428.98 × 2,178.87
  4. Step 4: Simplify right side
    2,959.03x = 9,650,171.65
  5. Step 5: Solve for x
    x = 9,650,171.65/2,959.03
  6. Step 6: Final answer
    x = 3,261.26

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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.