Home / 2,065.28-2,850.06-1,121.11

Finding the Fourth Proportional to 2,065.28, 2,850.06 and 1,121.11

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Solution

The fourth proportional to 2,065.28, 2,850.06 and 1,121.11 is: 1,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.28 : 2,850.06 = 1,121.11 : x
  2. Step 2: Convert to fraction form
    2,065.28/2,850.06 = 1,121.11/x
  3. Step 3: Cross multiply
    2,065.28x = 2,850.06 × 1,121.11
  4. Step 4: Simplify right side
    2,065.28x = 3,195,216.52
  5. Step 5: Solve for x
    x = 3,195,216.52/2,065.28
  6. Step 6: Final answer
    x = 1,547.11

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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.