Home / 1,679.14-2,317.27-1,149.13

Finding the Fourth Proportional to 1,679.14, 2,317.27 and 1,149.13

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Solution

The fourth proportional to 1,679.14, 2,317.27 and 1,149.13 is: 1,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.14 : 2,317.27 = 1,149.13 : x
  2. Step 2: Convert to fraction form
    1,679.14/2,317.27 = 1,149.13/x
  3. Step 3: Cross multiply
    1,679.14x = 2,317.27 × 1,149.13
  4. Step 4: Simplify right side
    1,679.14x = 2,662,832.89
  5. Step 5: Solve for x
    x = 2,662,832.89/1,679.14
  6. Step 6: Final answer
    x = 1,585.84

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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.