Home / 2,709.06-4,063.65-1,247.82

Finding the Fourth Proportional to 2,709.06, 4,063.65 and 1,247.82

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Solution

The fourth proportional to 2,709.06, 4,063.65 and 1,247.82 is: 1,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.06 : 4,063.65 = 1,247.82 : x
  2. Step 2: Convert to fraction form
    2,709.06/4,063.65 = 1,247.82/x
  3. Step 3: Cross multiply
    2,709.06x = 4,063.65 × 1,247.82
  4. Step 4: Simplify right side
    2,709.06x = 5,070,703.74
  5. Step 5: Solve for x
    x = 5,070,703.74/2,709.06
  6. Step 6: Final answer
    x = 1,871.76

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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.