Home / 2,580.45-3,561.11-1,461.36

Finding the Fourth Proportional to 2,580.45, 3,561.11 and 1,461.36

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Solution

The fourth proportional to 2,580.45, 3,561.11 and 1,461.36 is: 2,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.45 : 3,561.11 = 1,461.36 : x
  2. Step 2: Convert to fraction form
    2,580.45/3,561.11 = 1,461.36/x
  3. Step 3: Cross multiply
    2,580.45x = 3,561.11 × 1,461.36
  4. Step 4: Simplify right side
    2,580.45x = 5,204,056.40
  5. Step 5: Solve for x
    x = 5,204,056.40/2,580.45
  6. Step 6: Final answer
    x = 2,016.72

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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.