Home / 1,633.86-2,253.42-1,319.04

Finding the Fourth Proportional to 1,633.86, 2,253.42 and 1,319.04

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Solution

The fourth proportional to 1,633.86, 2,253.42 and 1,319.04 is: 1,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.86 : 2,253.42 = 1,319.04 : x
  2. Step 2: Convert to fraction form
    1,633.86/2,253.42 = 1,319.04/x
  3. Step 3: Cross multiply
    1,633.86x = 2,253.42 × 1,319.04
  4. Step 4: Simplify right side
    1,633.86x = 2,972,351.12
  5. Step 5: Solve for x
    x = 2,972,351.12/1,633.86
  6. Step 6: Final answer
    x = 1,819.22

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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.