Home / 1,196.13-1,650.87-1,155.63

Finding the Fourth Proportional to 1,196.13, 1,650.87 and 1,155.63

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Solution

The fourth proportional to 1,196.13, 1,650.87 and 1,155.63 is: 1,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.13 : 1,650.87 = 1,155.63 : x
  2. Step 2: Convert to fraction form
    1,196.13/1,650.87 = 1,155.63/x
  3. Step 3: Cross multiply
    1,196.13x = 1,650.87 × 1,155.63
  4. Step 4: Simplify right side
    1,196.13x = 1,907,794.90
  5. Step 5: Solve for x
    x = 1,907,794.90/1,196.13
  6. Step 6: Final answer
    x = 1,594.97

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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.