Home / 2,591.40-3,575.96-1,543.26

Finding the Fourth Proportional to 2,591.40, 3,575.96 and 1,543.26

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Solution

The fourth proportional to 2,591.40, 3,575.96 and 1,543.26 is: 2,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.40 : 3,575.96 = 1,543.26 : x
  2. Step 2: Convert to fraction form
    2,591.40/3,575.96 = 1,543.26/x
  3. Step 3: Cross multiply
    2,591.40x = 3,575.96 × 1,543.26
  4. Step 4: Simplify right side
    2,591.40x = 5,518,636.03
  5. Step 5: Solve for x
    x = 5,518,636.03/2,591.40
  6. Step 6: Final answer
    x = 2,129.60

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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.