Home / 1,726.18-2,382.90-1,306.60

Finding the Fourth Proportional to 1,726.18, 2,382.90 and 1,306.60

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Solution

The fourth proportional to 1,726.18, 2,382.90 and 1,306.60 is: 1,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.18 : 2,382.90 = 1,306.60 : x
  2. Step 2: Convert to fraction form
    1,726.18/2,382.90 = 1,306.60/x
  3. Step 3: Cross multiply
    1,726.18x = 2,382.90 × 1,306.60
  4. Step 4: Simplify right side
    1,726.18x = 3,113,497.14
  5. Step 5: Solve for x
    x = 3,113,497.14/1,726.18
  6. Step 6: Final answer
    x = 1,803.69

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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.