Home / 1,726.68-2,586.57-1,177.50

Finding the Fourth Proportional to 1,726.68, 2,586.57 and 1,177.50

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Solution

The fourth proportional to 1,726.68, 2,586.57 and 1,177.50 is: 1,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.68 : 2,586.57 = 1,177.50 : x
  2. Step 2: Convert to fraction form
    1,726.68/2,586.57 = 1,177.50/x
  3. Step 3: Cross multiply
    1,726.68x = 2,586.57 × 1,177.50
  4. Step 4: Simplify right side
    1,726.68x = 3,045,686.18
  5. Step 5: Solve for x
    x = 3,045,686.18/1,726.68
  6. Step 6: Final answer
    x = 1,763.90

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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.