Home / 1,336.13-1,839.78-1,184.58

Finding the Fourth Proportional to 1,336.13, 1,839.78 and 1,184.58

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Solution

The fourth proportional to 1,336.13, 1,839.78 and 1,184.58 is: 1,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.13 : 1,839.78 = 1,184.58 : x
  2. Step 2: Convert to fraction form
    1,336.13/1,839.78 = 1,184.58/x
  3. Step 3: Cross multiply
    1,336.13x = 1,839.78 × 1,184.58
  4. Step 4: Simplify right side
    1,336.13x = 2,179,366.59
  5. Step 5: Solve for x
    x = 2,179,366.59/1,336.13
  6. Step 6: Final answer
    x = 1,631.11

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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.