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Finding the Fourth Proportional to 2,543.58, 3,508.56 and 1,797.48

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Solution

The fourth proportional to 2,543.58, 3,508.56 and 1,797.48 is: 2,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.58 : 3,508.56 = 1,797.48 : x
  2. Step 2: Convert to fraction form
    2,543.58/3,508.56 = 1,797.48/x
  3. Step 3: Cross multiply
    2,543.58x = 3,508.56 × 1,797.48
  4. Step 4: Simplify right side
    2,543.58x = 6,306,566.43
  5. Step 5: Solve for x
    x = 6,306,566.43/2,543.58
  6. Step 6: Final answer
    x = 2,479.41

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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.