Home / 2,375.83-3,279.36-1,491.63

Finding the Fourth Proportional to 2,375.83, 3,279.36 and 1,491.63

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Solution

The fourth proportional to 2,375.83, 3,279.36 and 1,491.63 is: 2,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.83 : 3,279.36 = 1,491.63 : x
  2. Step 2: Convert to fraction form
    2,375.83/3,279.36 = 1,491.63/x
  3. Step 3: Cross multiply
    2,375.83x = 3,279.36 × 1,491.63
  4. Step 4: Simplify right side
    2,375.83x = 4,891,591.76
  5. Step 5: Solve for x
    x = 4,891,591.76/2,375.83
  6. Step 6: Final answer
    x = 2,058.90

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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.