Home / 3,726.88-5,588.80-1,618.66

Finding the Fourth Proportional to 3,726.88, 5,588.80 and 1,618.66

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Solution

The fourth proportional to 3,726.88, 5,588.80 and 1,618.66 is: 2,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.88 : 5,588.80 = 1,618.66 : x
  2. Step 2: Convert to fraction form
    3,726.88/5,588.80 = 1,618.66/x
  3. Step 3: Cross multiply
    3,726.88x = 5,588.80 × 1,618.66
  4. Step 4: Simplify right side
    3,726.88x = 9,046,367.01
  5. Step 5: Solve for x
    x = 9,046,367.01/3,726.88
  6. Step 6: Final answer
    x = 2,427.33

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1.5x scale

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.