Home / 2,842.78-4,264.17-1,110.19

Finding the Fourth Proportional to 2,842.78, 4,264.17 and 1,110.19

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Solution

The fourth proportional to 2,842.78, 4,264.17 and 1,110.19 is: 1,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.78 : 4,264.17 = 1,110.19 : x
  2. Step 2: Convert to fraction form
    2,842.78/4,264.17 = 1,110.19/x
  3. Step 3: Cross multiply
    2,842.78x = 4,264.17 × 1,110.19
  4. Step 4: Simplify right side
    2,842.78x = 4,734,028.23
  5. Step 5: Solve for x
    x = 4,734,028.23/2,842.78
  6. Step 6: Final answer
    x = 1,665.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.