Home / 2,264.13-3,123.95-1,379.88

Finding the Fourth Proportional to 2,264.13, 3,123.95 and 1,379.88

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Solution

The fourth proportional to 2,264.13, 3,123.95 and 1,379.88 is: 1,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.13 : 3,123.95 = 1,379.88 : x
  2. Step 2: Convert to fraction form
    2,264.13/3,123.95 = 1,379.88/x
  3. Step 3: Cross multiply
    2,264.13x = 3,123.95 × 1,379.88
  4. Step 4: Simplify right side
    2,264.13x = 4,310,669.23
  5. Step 5: Solve for x
    x = 4,310,669.23/2,264.13
  6. Step 6: Final answer
    x = 1,903.90

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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.