Home / 2,106.20-3,159.29-567.20

Finding the Fourth Proportional to 2,106.20, 3,159.29 and 567.20

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Solution

The fourth proportional to 2,106.20, 3,159.29 and 567.20 is: 850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.20 : 3,159.29 = 567.20 : x
  2. Step 2: Convert to fraction form
    2,106.20/3,159.29 = 567.20/x
  3. Step 3: Cross multiply
    2,106.20x = 3,159.29 × 567.20
  4. Step 4: Simplify right side
    2,106.20x = 1,791,930.66
  5. Step 5: Solve for x
    x = 1,791,930.66/2,106.20
  6. Step 6: Final answer
    x = 850.79

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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.