Home / 2,247.16-3,371.10-786.28

Finding the Fourth Proportional to 2,247.16, 3,371.10 and 786.28

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Solution

The fourth proportional to 2,247.16, 3,371.10 and 786.28 is: 1,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.16 : 3,371.10 = 786.28 : x
  2. Step 2: Convert to fraction form
    2,247.16/3,371.10 = 786.28/x
  3. Step 3: Cross multiply
    2,247.16x = 3,371.10 × 786.28
  4. Step 4: Simplify right side
    2,247.16x = 2,650,628.51
  5. Step 5: Solve for x
    x = 2,650,628.51/2,247.16
  6. Step 6: Final answer
    x = 1,179.55

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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.