Home / 2,575.65-3,863.37-1,793.40

Finding the Fourth Proportional to 2,575.65, 3,863.37 and 1,793.40

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Solution

The fourth proportional to 2,575.65, 3,863.37 and 1,793.40 is: 2,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.65 : 3,863.37 = 1,793.40 : x
  2. Step 2: Convert to fraction form
    2,575.65/3,863.37 = 1,793.40/x
  3. Step 3: Cross multiply
    2,575.65x = 3,863.37 × 1,793.40
  4. Step 4: Simplify right side
    2,575.65x = 6,928,567.76
  5. Step 5: Solve for x
    x = 6,928,567.76/2,575.65
  6. Step 6: Final answer
    x = 2,690.03

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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.