Home / 1,166.46-1,739.40-1,109.04

Finding the Fourth Proportional to 1,166.46, 1,739.40 and 1,109.04

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Solution

The fourth proportional to 1,166.46, 1,739.40 and 1,109.04 is: 1,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.46 : 1,739.40 = 1,109.04 : x
  2. Step 2: Convert to fraction form
    1,166.46/1,739.40 = 1,109.04/x
  3. Step 3: Cross multiply
    1,166.46x = 1,739.40 × 1,109.04
  4. Step 4: Simplify right side
    1,166.46x = 1,929,064.18
  5. Step 5: Solve for x
    x = 1,929,064.18/1,166.46
  6. Step 6: Final answer
    x = 1,653.78

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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.