Home / 2,575.62-3,860.27-1,187.03

Finding the Fourth Proportional to 2,575.62, 3,860.27 and 1,187.03

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Solution

The fourth proportional to 2,575.62, 3,860.27 and 1,187.03 is: 1,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.62 : 3,860.27 = 1,187.03 : x
  2. Step 2: Convert to fraction form
    2,575.62/3,860.27 = 1,187.03/x
  3. Step 3: Cross multiply
    2,575.62x = 3,860.27 × 1,187.03
  4. Step 4: Simplify right side
    2,575.62x = 4,582,264.46
  5. Step 5: Solve for x
    x = 4,582,264.46/2,575.62
  6. Step 6: Final answer
    x = 1,779.09

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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.