Home / 1,233.74-1,839.70-1,222.76

Finding the Fourth Proportional to 1,233.74, 1,839.70 and 1,222.76

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Solution

The fourth proportional to 1,233.74, 1,839.70 and 1,222.76 is: 1,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.74 : 1,839.70 = 1,222.76 : x
  2. Step 2: Convert to fraction form
    1,233.74/1,839.70 = 1,222.76/x
  3. Step 3: Cross multiply
    1,233.74x = 1,839.70 × 1,222.76
  4. Step 4: Simplify right side
    1,233.74x = 2,249,511.57
  5. Step 5: Solve for x
    x = 2,249,511.57/1,233.74
  6. Step 6: Final answer
    x = 1,823.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.