Home / 2,233.75-3,082.58-1,239.19

Finding the Fourth Proportional to 2,233.75, 3,082.58 and 1,239.19

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Solution

The fourth proportional to 2,233.75, 3,082.58 and 1,239.19 is: 1,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.75 : 3,082.58 = 1,239.19 : x
  2. Step 2: Convert to fraction form
    2,233.75/3,082.58 = 1,239.19/x
  3. Step 3: Cross multiply
    2,233.75x = 3,082.58 × 1,239.19
  4. Step 4: Simplify right side
    2,233.75x = 3,819,880.70
  5. Step 5: Solve for x
    x = 3,819,880.70/2,233.75
  6. Step 6: Final answer
    x = 1,710.08

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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.