Home / 1,823.78-2,514.26-1,291.08

Finding the Fourth Proportional to 1,823.78, 2,514.26 and 1,291.08

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Solution

The fourth proportional to 1,823.78, 2,514.26 and 1,291.08 is: 1,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.78 : 2,514.26 = 1,291.08 : x
  2. Step 2: Convert to fraction form
    1,823.78/2,514.26 = 1,291.08/x
  3. Step 3: Cross multiply
    1,823.78x = 2,514.26 × 1,291.08
  4. Step 4: Simplify right side
    1,823.78x = 3,246,114.03
  5. Step 5: Solve for x
    x = 3,246,114.03/1,823.78
  6. Step 6: Final answer
    x = 1,779.88

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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.