Home / 1,184.23-1,633.32-869.36

Finding the Fourth Proportional to 1,184.23, 1,633.32 and 869.36

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Solution

The fourth proportional to 1,184.23, 1,633.32 and 869.36 is: 1,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.23 : 1,633.32 = 869.36 : x
  2. Step 2: Convert to fraction form
    1,184.23/1,633.32 = 869.36/x
  3. Step 3: Cross multiply
    1,184.23x = 1,633.32 × 869.36
  4. Step 4: Simplify right side
    1,184.23x = 1,419,934.91
  5. Step 5: Solve for x
    x = 1,419,934.91/1,184.23
  6. Step 6: Final answer
    x = 1,199.04

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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.