Home / 1,193.48-1,778.52-1,154.34

Finding the Fourth Proportional to 1,193.48, 1,778.52 and 1,154.34

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Solution

The fourth proportional to 1,193.48, 1,778.52 and 1,154.34 is: 1,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.48 : 1,778.52 = 1,154.34 : x
  2. Step 2: Convert to fraction form
    1,193.48/1,778.52 = 1,154.34/x
  3. Step 3: Cross multiply
    1,193.48x = 1,778.52 × 1,154.34
  4. Step 4: Simplify right side
    1,193.48x = 2,053,016.78
  5. Step 5: Solve for x
    x = 2,053,016.78/1,193.48
  6. Step 6: Final answer
    x = 1,720.19

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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.