Home / 1,711.11-2,567.31-1,018.18

Finding the Fourth Proportional to 1,711.11, 2,567.31 and 1,018.18

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Solution

The fourth proportional to 1,711.11, 2,567.31 and 1,018.18 is: 1,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.11 : 2,567.31 = 1,018.18 : x
  2. Step 2: Convert to fraction form
    1,711.11/2,567.31 = 1,018.18/x
  3. Step 3: Cross multiply
    1,711.11x = 2,567.31 × 1,018.18
  4. Step 4: Simplify right side
    1,711.11x = 2,613,983.70
  5. Step 5: Solve for x
    x = 2,613,983.70/1,711.11
  6. Step 6: Final answer
    x = 1,527.65

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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.