Home / 1,228.01-1,839.56-1,182.74

Finding the Fourth Proportional to 1,228.01, 1,839.56 and 1,182.74

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Solution

The fourth proportional to 1,228.01, 1,839.56 and 1,182.74 is: 1,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.01 : 1,839.56 = 1,182.74 : x
  2. Step 2: Convert to fraction form
    1,228.01/1,839.56 = 1,182.74/x
  3. Step 3: Cross multiply
    1,228.01x = 1,839.56 × 1,182.74
  4. Step 4: Simplify right side
    1,228.01x = 2,175,706.08
  5. Step 5: Solve for x
    x = 2,175,706.08/1,228.01
  6. Step 6: Final answer
    x = 1,771.74

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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.