Home / 2,575.70-3,863.55-1,036.70

Finding the Fourth Proportional to 2,575.70, 3,863.55 and 1,036.70

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Solution

The fourth proportional to 2,575.70, 3,863.55 and 1,036.70 is: 1,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.70 : 3,863.55 = 1,036.70 : x
  2. Step 2: Convert to fraction form
    2,575.70/3,863.55 = 1,036.70/x
  3. Step 3: Cross multiply
    2,575.70x = 3,863.55 × 1,036.70
  4. Step 4: Simplify right side
    2,575.70x = 4,005,322.97
  5. Step 5: Solve for x
    x = 4,005,322.97/2,575.70
  6. Step 6: Final answer
    x = 1,555.05

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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.