Home / 3,143.19-4,337.39-1,726.60

Finding the Fourth Proportional to 3,143.19, 4,337.39 and 1,726.60

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Solution

The fourth proportional to 3,143.19, 4,337.39 and 1,726.60 is: 2,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.19 : 4,337.39 = 1,726.60 : x
  2. Step 2: Convert to fraction form
    3,143.19/4,337.39 = 1,726.60/x
  3. Step 3: Cross multiply
    3,143.19x = 4,337.39 × 1,726.60
  4. Step 4: Simplify right side
    3,143.19x = 7,488,907.25
  5. Step 5: Solve for x
    x = 7,488,907.25/3,143.19
  6. Step 6: Final answer
    x = 2,382.59

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1.5x scale

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.