Home / 2,580.58-3,560.38-1,572.49

Finding the Fourth Proportional to 2,580.58, 3,560.38 and 1,572.49

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Solution

The fourth proportional to 2,580.58, 3,560.38 and 1,572.49 is: 2,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.58 : 3,560.38 = 1,572.49 : x
  2. Step 2: Convert to fraction form
    2,580.58/3,560.38 = 1,572.49/x
  3. Step 3: Cross multiply
    2,580.58x = 3,560.38 × 1,572.49
  4. Step 4: Simplify right side
    2,580.58x = 5,598,661.95
  5. Step 5: Solve for x
    x = 5,598,661.95/2,580.58
  6. Step 6: Final answer
    x = 2,169.54

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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.