Home / 1,741.87-2,403.91-1,079.12

Finding the Fourth Proportional to 1,741.87, 2,403.91 and 1,079.12

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Solution

The fourth proportional to 1,741.87, 2,403.91 and 1,079.12 is: 1,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.87 : 2,403.91 = 1,079.12 : x
  2. Step 2: Convert to fraction form
    1,741.87/2,403.91 = 1,079.12/x
  3. Step 3: Cross multiply
    1,741.87x = 2,403.91 × 1,079.12
  4. Step 4: Simplify right side
    1,741.87x = 2,594,114.72
  5. Step 5: Solve for x
    x = 2,594,114.72/1,741.87
  6. Step 6: Final answer
    x = 1,489.27

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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.