Home / 2,263.18-3,123.02-1,318.82

Finding the Fourth Proportional to 2,263.18, 3,123.02 and 1,318.82

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Solution

The fourth proportional to 2,263.18, 3,123.02 and 1,318.82 is: 1,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.18 : 3,123.02 = 1,318.82 : x
  2. Step 2: Convert to fraction form
    2,263.18/3,123.02 = 1,318.82/x
  3. Step 3: Cross multiply
    2,263.18x = 3,123.02 × 1,318.82
  4. Step 4: Simplify right side
    2,263.18x = 4,118,701.24
  5. Step 5: Solve for x
    x = 4,118,701.24/2,263.18
  6. Step 6: Final answer
    x = 1,819.87

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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.