Home / 1,882.29-2,596.77-1,291.80

Finding the Fourth Proportional to 1,882.29, 2,596.77 and 1,291.80

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Solution

The fourth proportional to 1,882.29, 2,596.77 and 1,291.80 is: 1,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.29 : 2,596.77 = 1,291.80 : x
  2. Step 2: Convert to fraction form
    1,882.29/2,596.77 = 1,291.80/x
  3. Step 3: Cross multiply
    1,882.29x = 2,596.77 × 1,291.80
  4. Step 4: Simplify right side
    1,882.29x = 3,354,507.49
  5. Step 5: Solve for x
    x = 3,354,507.49/1,882.29
  6. Step 6: Final answer
    x = 1,782.14

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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.