Home / 2,378.18-3,279.75-1,593.29

Finding the Fourth Proportional to 2,378.18, 3,279.75 and 1,593.29

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Solution

The fourth proportional to 2,378.18, 3,279.75 and 1,593.29 is: 2,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.18 : 3,279.75 = 1,593.29 : x
  2. Step 2: Convert to fraction form
    2,378.18/3,279.75 = 1,593.29/x
  3. Step 3: Cross multiply
    2,378.18x = 3,279.75 × 1,593.29
  4. Step 4: Simplify right side
    2,378.18x = 5,225,592.88
  5. Step 5: Solve for x
    x = 5,225,592.88/2,378.18
  6. Step 6: Final answer
    x = 2,197.31

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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.