Home / 2,959.12-4,436.44-1,788.87

Finding the Fourth Proportional to 2,959.12, 4,436.44 and 1,788.87

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Solution

The fourth proportional to 2,959.12, 4,436.44 and 1,788.87 is: 2,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.12 : 4,436.44 = 1,788.87 : x
  2. Step 2: Convert to fraction form
    2,959.12/4,436.44 = 1,788.87/x
  3. Step 3: Cross multiply
    2,959.12x = 4,436.44 × 1,788.87
  4. Step 4: Simplify right side
    2,959.12x = 7,936,214.42
  5. Step 5: Solve for x
    x = 7,936,214.42/2,959.12
  6. Step 6: Final answer
    x = 2,681.95

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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.