Home / 1,795.46-2,691.57-1,247.90

Finding the Fourth Proportional to 1,795.46, 2,691.57 and 1,247.90

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Solution

The fourth proportional to 1,795.46, 2,691.57 and 1,247.90 is: 1,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.46 : 2,691.57 = 1,247.90 : x
  2. Step 2: Convert to fraction form
    1,795.46/2,691.57 = 1,247.90/x
  3. Step 3: Cross multiply
    1,795.46x = 2,691.57 × 1,247.90
  4. Step 4: Simplify right side
    1,795.46x = 3,358,810.20
  5. Step 5: Solve for x
    x = 3,358,810.20/1,795.46
  6. Step 6: Final answer
    x = 1,870.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.