Home / 3,375.40-5,058.53-1,293.49

Finding the Fourth Proportional to 3,375.40, 5,058.53 and 1,293.49

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Solution

The fourth proportional to 3,375.40, 5,058.53 and 1,293.49 is: 1,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.40 : 5,058.53 = 1,293.49 : x
  2. Step 2: Convert to fraction form
    3,375.40/5,058.53 = 1,293.49/x
  3. Step 3: Cross multiply
    3,375.40x = 5,058.53 × 1,293.49
  4. Step 4: Simplify right side
    3,375.40x = 6,543,126.21
  5. Step 5: Solve for x
    x = 6,543,126.21/3,375.40
  6. Step 6: Final answer
    x = 1,938.48

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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.