Home / 1,543.26-2,126.34-1,100.46

Finding the Fourth Proportional to 1,543.26, 2,126.34 and 1,100.46

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Solution

The fourth proportional to 1,543.26, 2,126.34 and 1,100.46 is: 1,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.26 : 2,126.34 = 1,100.46 : x
  2. Step 2: Convert to fraction form
    1,543.26/2,126.34 = 1,100.46/x
  3. Step 3: Cross multiply
    1,543.26x = 2,126.34 × 1,100.46
  4. Step 4: Simplify right side
    1,543.26x = 2,339,952.12
  5. Step 5: Solve for x
    x = 2,339,952.12/1,543.26
  6. Step 6: Final answer
    x = 1,516.24

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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.