Home / 2,591.65-3,884.59-1,553.05

Finding the Fourth Proportional to 2,591.65, 3,884.59 and 1,553.05

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Solution

The fourth proportional to 2,591.65, 3,884.59 and 1,553.05 is: 2,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.65 : 3,884.59 = 1,553.05 : x
  2. Step 2: Convert to fraction form
    2,591.65/3,884.59 = 1,553.05/x
  3. Step 3: Cross multiply
    2,591.65x = 3,884.59 × 1,553.05
  4. Step 4: Simplify right side
    2,591.65x = 6,032,962.50
  5. Step 5: Solve for x
    x = 6,032,962.50/2,591.65
  6. Step 6: Final answer
    x = 2,327.85

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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.