Home / 1,726.16-2,381.09-1,253.50

Finding the Fourth Proportional to 1,726.16, 2,381.09 and 1,253.50

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Solution

The fourth proportional to 1,726.16, 2,381.09 and 1,253.50 is: 1,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.16 : 2,381.09 = 1,253.50 : x
  2. Step 2: Convert to fraction form
    1,726.16/2,381.09 = 1,253.50/x
  3. Step 3: Cross multiply
    1,726.16x = 2,381.09 × 1,253.50
  4. Step 4: Simplify right side
    1,726.16x = 2,984,684.09
  5. Step 5: Solve for x
    x = 2,984,684.09/1,726.16
  6. Step 6: Final answer
    x = 1,729.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.