Home / 1,672.95-2,308.67-926.96

Finding the Fourth Proportional to 1,672.95, 2,308.67 and 926.96

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Solution

The fourth proportional to 1,672.95, 2,308.67 and 926.96 is: 1,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.95 : 2,308.67 = 926.96 : x
  2. Step 2: Convert to fraction form
    1,672.95/2,308.67 = 926.96/x
  3. Step 3: Cross multiply
    1,672.95x = 2,308.67 × 926.96
  4. Step 4: Simplify right side
    1,672.95x = 2,140,050.24
  5. Step 5: Solve for x
    x = 2,140,050.24/1,672.95
  6. Step 6: Final answer
    x = 1,279.20

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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.