Home / 2,580.28-3,561.03-1,586.21

Finding the Fourth Proportional to 2,580.28, 3,561.03 and 1,586.21

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Solution

The fourth proportional to 2,580.28, 3,561.03 and 1,586.21 is: 2,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.28 : 3,561.03 = 1,586.21 : x
  2. Step 2: Convert to fraction form
    2,580.28/3,561.03 = 1,586.21/x
  3. Step 3: Cross multiply
    2,580.28x = 3,561.03 × 1,586.21
  4. Step 4: Simplify right side
    2,580.28x = 5,648,523.59
  5. Step 5: Solve for x
    x = 5,648,523.59/2,580.28
  6. Step 6: Final answer
    x = 2,189.11

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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.