Home / 1,726.96-2,586.39-1,207.48

Finding the Fourth Proportional to 1,726.96, 2,586.39 and 1,207.48

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Solution

The fourth proportional to 1,726.96, 2,586.39 and 1,207.48 is: 1,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.96 : 2,586.39 = 1,207.48 : x
  2. Step 2: Convert to fraction form
    1,726.96/2,586.39 = 1,207.48/x
  3. Step 3: Cross multiply
    1,726.96x = 2,586.39 × 1,207.48
  4. Step 4: Simplify right side
    1,726.96x = 3,123,014.20
  5. Step 5: Solve for x
    x = 3,123,014.20/1,726.96
  6. Step 6: Final answer
    x = 1,808.39

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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.