Home / 1,444.16-2,161.36-867.44

Finding the Fourth Proportional to 1,444.16, 2,161.36 and 867.44

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Solution

The fourth proportional to 1,444.16, 2,161.36 and 867.44 is: 1,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.16 : 2,161.36 = 867.44 : x
  2. Step 2: Convert to fraction form
    1,444.16/2,161.36 = 867.44/x
  3. Step 3: Cross multiply
    1,444.16x = 2,161.36 × 867.44
  4. Step 4: Simplify right side
    1,444.16x = 1,874,850.12
  5. Step 5: Solve for x
    x = 1,874,850.12/1,444.16
  6. Step 6: Final answer
    x = 1,298.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.