Home / 2,580.85-3,561.62-1,461.76

Finding the Fourth Proportional to 2,580.85, 3,561.62 and 1,461.76

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Solution

The fourth proportional to 2,580.85, 3,561.62 and 1,461.76 is: 2,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.85 : 3,561.62 = 1,461.76 : x
  2. Step 2: Convert to fraction form
    2,580.85/3,561.62 = 1,461.76/x
  3. Step 3: Cross multiply
    2,580.85x = 3,561.62 × 1,461.76
  4. Step 4: Simplify right side
    2,580.85x = 5,206,245.69
  5. Step 5: Solve for x
    x = 5,206,245.69/2,580.85
  6. Step 6: Final answer
    x = 2,017.26

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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.