Home / 2,247.75-3,102.30-1,316.25

Finding the Fourth Proportional to 2,247.75, 3,102.30 and 1,316.25

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Solution

The fourth proportional to 2,247.75, 3,102.30 and 1,316.25 is: 1,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.75 : 3,102.30 = 1,316.25 : x
  2. Step 2: Convert to fraction form
    2,247.75/3,102.30 = 1,316.25/x
  3. Step 3: Cross multiply
    2,247.75x = 3,102.30 × 1,316.25
  4. Step 4: Simplify right side
    2,247.75x = 4,083,402.38
  5. Step 5: Solve for x
    x = 4,083,402.38/2,247.75
  6. Step 6: Final answer
    x = 1,816.66

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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.