Home / 2,581.17-3,873.33-1,120.32

Finding the Fourth Proportional to 2,581.17, 3,873.33 and 1,120.32

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Solution

The fourth proportional to 2,581.17, 3,873.33 and 1,120.32 is: 1,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.17 : 3,873.33 = 1,120.32 : x
  2. Step 2: Convert to fraction form
    2,581.17/3,873.33 = 1,120.32/x
  3. Step 3: Cross multiply
    2,581.17x = 3,873.33 × 1,120.32
  4. Step 4: Simplify right side
    2,581.17x = 4,339,369.07
  5. Step 5: Solve for x
    x = 4,339,369.07/2,581.17
  6. Step 6: Final answer
    x = 1,681.16

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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.