Home / 3,543.07-5,314.26-1,077.91

Finding the Fourth Proportional to 3,543.07, 5,314.26 and 1,077.91

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Solution

The fourth proportional to 3,543.07, 5,314.26 and 1,077.91 is: 1,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.07 : 5,314.26 = 1,077.91 : x
  2. Step 2: Convert to fraction form
    3,543.07/5,314.26 = 1,077.91/x
  3. Step 3: Cross multiply
    3,543.07x = 5,314.26 × 1,077.91
  4. Step 4: Simplify right side
    3,543.07x = 5,728,294.00
  5. Step 5: Solve for x
    x = 5,728,294.00/3,543.07
  6. Step 6: Final answer
    x = 1,616.76

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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.