Home / 1,851.08-2,554.49-1,065.13

Finding the Fourth Proportional to 1,851.08, 2,554.49 and 1,065.13

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Solution

The fourth proportional to 1,851.08, 2,554.49 and 1,065.13 is: 1,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.08 : 2,554.49 = 1,065.13 : x
  2. Step 2: Convert to fraction form
    1,851.08/2,554.49 = 1,065.13/x
  3. Step 3: Cross multiply
    1,851.08x = 2,554.49 × 1,065.13
  4. Step 4: Simplify right side
    1,851.08x = 2,720,863.93
  5. Step 5: Solve for x
    x = 2,720,863.93/1,851.08
  6. Step 6: Final answer
    x = 1,469.88

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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.