Home / 3,158.83-4,356.84-2,319.27

Finding the Fourth Proportional to 3,158.83, 4,356.84 and 2,319.27

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Solution

The fourth proportional to 3,158.83, 4,356.84 and 2,319.27 is: 3,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.83 : 4,356.84 = 2,319.27 : x
  2. Step 2: Convert to fraction form
    3,158.83/4,356.84 = 2,319.27/x
  3. Step 3: Cross multiply
    3,158.83x = 4,356.84 × 2,319.27
  4. Step 4: Simplify right side
    3,158.83x = 10,104,676.71
  5. Step 5: Solve for x
    x = 10,104,676.71/3,158.83
  6. Step 6: Final answer
    x = 3,198.87

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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.