Home / 1,179.20-1,760.08-1,106.24

Finding the Fourth Proportional to 1,179.20, 1,760.08 and 1,106.24

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Solution

The fourth proportional to 1,179.20, 1,760.08 and 1,106.24 is: 1,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.20 : 1,760.08 = 1,106.24 : x
  2. Step 2: Convert to fraction form
    1,179.20/1,760.08 = 1,106.24/x
  3. Step 3: Cross multiply
    1,179.20x = 1,760.08 × 1,106.24
  4. Step 4: Simplify right side
    1,179.20x = 1,947,070.90
  5. Step 5: Solve for x
    x = 1,947,070.90/1,179.20
  6. Step 6: Final answer
    x = 1,651.18

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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.