Home / 2,575.79-3,867.06-1,648.88

Finding the Fourth Proportional to 2,575.79, 3,867.06 and 1,648.88

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Solution

The fourth proportional to 2,575.79, 3,867.06 and 1,648.88 is: 2,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.79 : 3,867.06 = 1,648.88 : x
  2. Step 2: Convert to fraction form
    2,575.79/3,867.06 = 1,648.88/x
  3. Step 3: Cross multiply
    2,575.79x = 3,867.06 × 1,648.88
  4. Step 4: Simplify right side
    2,575.79x = 6,376,317.89
  5. Step 5: Solve for x
    x = 6,376,317.89/2,575.79
  6. Step 6: Final answer
    x = 2,475.48

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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.