Home / 3,118.88-4,302.76-2,057.83

Finding the Fourth Proportional to 3,118.88, 4,302.76 and 2,057.83

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Solution

The fourth proportional to 3,118.88, 4,302.76 and 2,057.83 is: 2,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.88 : 4,302.76 = 2,057.83 : x
  2. Step 2: Convert to fraction form
    3,118.88/4,302.76 = 2,057.83/x
  3. Step 3: Cross multiply
    3,118.88x = 4,302.76 × 2,057.83
  4. Step 4: Simplify right side
    3,118.88x = 8,854,332.71
  5. Step 5: Solve for x
    x = 8,854,332.71/3,118.88
  6. Step 6: Final answer
    x = 2,838.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.