Home / 2,813.17-3,882.16-1,554.31

Finding the Fourth Proportional to 2,813.17, 3,882.16 and 1,554.31

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Solution

The fourth proportional to 2,813.17, 3,882.16 and 1,554.31 is: 2,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.17 : 3,882.16 = 1,554.31 : x
  2. Step 2: Convert to fraction form
    2,813.17/3,882.16 = 1,554.31/x
  3. Step 3: Cross multiply
    2,813.17x = 3,882.16 × 1,554.31
  4. Step 4: Simplify right side
    2,813.17x = 6,034,080.11
  5. Step 5: Solve for x
    x = 6,034,080.11/2,813.17
  6. Step 6: Final answer
    x = 2,144.94

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1.5x scale

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.