Home / 2,580.35-3,561.68-1,648.85

Finding the Fourth Proportional to 2,580.35, 3,561.68 and 1,648.85

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Solution

The fourth proportional to 2,580.35, 3,561.68 and 1,648.85 is: 2,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.35 : 3,561.68 = 1,648.85 : x
  2. Step 2: Convert to fraction form
    2,580.35/3,561.68 = 1,648.85/x
  3. Step 3: Cross multiply
    2,580.35x = 3,561.68 × 1,648.85
  4. Step 4: Simplify right side
    2,580.35x = 5,872,671.29
  5. Step 5: Solve for x
    x = 5,872,671.29/2,580.35
  6. Step 6: Final answer
    x = 2,275.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.