Home / 1,246.05-1,719.43-1,204.13

Finding the Fourth Proportional to 1,246.05, 1,719.43 and 1,204.13

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Solution

The fourth proportional to 1,246.05, 1,719.43 and 1,204.13 is: 1,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.05 : 1,719.43 = 1,204.13 : x
  2. Step 2: Convert to fraction form
    1,246.05/1,719.43 = 1,204.13/x
  3. Step 3: Cross multiply
    1,246.05x = 1,719.43 × 1,204.13
  4. Step 4: Simplify right side
    1,246.05x = 2,070,418.53
  5. Step 5: Solve for x
    x = 2,070,418.53/1,246.05
  6. Step 6: Final answer
    x = 1,661.59

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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.