Home / 2,959.43-4,438.54-1,398.77

Finding the Fourth Proportional to 2,959.43, 4,438.54 and 1,398.77

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Solution

The fourth proportional to 2,959.43, 4,438.54 and 1,398.77 is: 2,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.43 : 4,438.54 = 1,398.77 : x
  2. Step 2: Convert to fraction form
    2,959.43/4,438.54 = 1,398.77/x
  3. Step 3: Cross multiply
    2,959.43x = 4,438.54 × 1,398.77
  4. Step 4: Simplify right side
    2,959.43x = 6,208,489.60
  5. Step 5: Solve for x
    x = 6,208,489.60/2,959.43
  6. Step 6: Final answer
    x = 2,097.87

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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.