Home / 1,167.75-1,738.35-1,114.65

Finding the Fourth Proportional to 1,167.75, 1,738.35 and 1,114.65

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Solution

The fourth proportional to 1,167.75, 1,738.35 and 1,114.65 is: 1,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.75 : 1,738.35 = 1,114.65 : x
  2. Step 2: Convert to fraction form
    1,167.75/1,738.35 = 1,114.65/x
  3. Step 3: Cross multiply
    1,167.75x = 1,738.35 × 1,114.65
  4. Step 4: Simplify right side
    1,167.75x = 1,937,651.83
  5. Step 5: Solve for x
    x = 1,937,651.83/1,167.75
  6. Step 6: Final answer
    x = 1,659.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.