Home / 1,711.08-2,561.14-1,217.18

Finding the Fourth Proportional to 1,711.08, 2,561.14 and 1,217.18

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Solution

The fourth proportional to 1,711.08, 2,561.14 and 1,217.18 is: 1,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.08 : 2,561.14 = 1,217.18 : x
  2. Step 2: Convert to fraction form
    1,711.08/2,561.14 = 1,217.18/x
  3. Step 3: Cross multiply
    1,711.08x = 2,561.14 × 1,217.18
  4. Step 4: Simplify right side
    1,711.08x = 3,117,368.39
  5. Step 5: Solve for x
    x = 3,117,368.39/1,711.08
  6. Step 6: Final answer
    x = 1,821.87

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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.