Home / 2,580.29-3,561.09-2,421.95

Finding the Fourth Proportional to 2,580.29, 3,561.09 and 2,421.95

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Solution

The fourth proportional to 2,580.29, 3,561.09 and 2,421.95 is: 3,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.29 : 3,561.09 = 2,421.95 : x
  2. Step 2: Convert to fraction form
    2,580.29/3,561.09 = 2,421.95/x
  3. Step 3: Cross multiply
    2,580.29x = 3,561.09 × 2,421.95
  4. Step 4: Simplify right side
    2,580.29x = 8,624,764.12
  5. Step 5: Solve for x
    x = 8,624,764.12/2,580.29
  6. Step 6: Final answer
    x = 3,342.56

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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.