Home / 1,454.36-2,169.11-1,236.40

Finding the Fourth Proportional to 1,454.36, 2,169.11 and 1,236.40

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Solution

The fourth proportional to 1,454.36, 2,169.11 and 1,236.40 is: 1,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.36 : 2,169.11 = 1,236.40 : x
  2. Step 2: Convert to fraction form
    1,454.36/2,169.11 = 1,236.40/x
  3. Step 3: Cross multiply
    1,454.36x = 2,169.11 × 1,236.40
  4. Step 4: Simplify right side
    1,454.36x = 2,681,885.27
  5. Step 5: Solve for x
    x = 2,681,885.27/1,454.36
  6. Step 6: Final answer
    x = 1,844.04

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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.