Home / 1,184.55-1,636.33-1,122.27

Finding the Fourth Proportional to 1,184.55, 1,636.33 and 1,122.27

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Solution

The fourth proportional to 1,184.55, 1,636.33 and 1,122.27 is: 1,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.55 : 1,636.33 = 1,122.27 : x
  2. Step 2: Convert to fraction form
    1,184.55/1,636.33 = 1,122.27/x
  3. Step 3: Cross multiply
    1,184.55x = 1,636.33 × 1,122.27
  4. Step 4: Simplify right side
    1,184.55x = 1,836,397.23
  5. Step 5: Solve for x
    x = 1,836,397.23/1,184.55
  6. Step 6: Final answer
    x = 1,550.30

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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.