Home / 1,709.82-2,562.30-1,248.66

Finding the Fourth Proportional to 1,709.82, 2,562.30 and 1,248.66

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Solution

The fourth proportional to 1,709.82, 2,562.30 and 1,248.66 is: 1,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.82 : 2,562.30 = 1,248.66 : x
  2. Step 2: Convert to fraction form
    1,709.82/2,562.30 = 1,248.66/x
  3. Step 3: Cross multiply
    1,709.82x = 2,562.30 × 1,248.66
  4. Step 4: Simplify right side
    1,709.82x = 3,199,441.52
  5. Step 5: Solve for x
    x = 3,199,441.52/1,709.82
  6. Step 6: Final answer
    x = 1,871.22

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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.