Home / 2,591.32-3,577.44-1,877.80

Finding the Fourth Proportional to 2,591.32, 3,577.44 and 1,877.80

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Solution

The fourth proportional to 2,591.32, 3,577.44 and 1,877.80 is: 2,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.32 : 3,577.44 = 1,877.80 : x
  2. Step 2: Convert to fraction form
    2,591.32/3,577.44 = 1,877.80/x
  3. Step 3: Cross multiply
    2,591.32x = 3,577.44 × 1,877.80
  4. Step 4: Simplify right side
    2,591.32x = 6,717,716.83
  5. Step 5: Solve for x
    x = 6,717,716.83/2,591.32
  6. Step 6: Final answer
    x = 2,592.39

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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.