Home / 2,295.89-3,168.34-1,247.95

Finding the Fourth Proportional to 2,295.89, 3,168.34 and 1,247.95

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Solution

The fourth proportional to 2,295.89, 3,168.34 and 1,247.95 is: 1,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.89 : 3,168.34 = 1,247.95 : x
  2. Step 2: Convert to fraction form
    2,295.89/3,168.34 = 1,247.95/x
  3. Step 3: Cross multiply
    2,295.89x = 3,168.34 × 1,247.95
  4. Step 4: Simplify right side
    2,295.89x = 3,953,929.90
  5. Step 5: Solve for x
    x = 3,953,929.90/2,295.89
  6. Step 6: Final answer
    x = 1,722.18

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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.