Home / 2,623.38-3,620.16-1,444.40

Finding the Fourth Proportional to 2,623.38, 3,620.16 and 1,444.40

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Solution

The fourth proportional to 2,623.38, 3,620.16 and 1,444.40 is: 1,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.38 : 3,620.16 = 1,444.40 : x
  2. Step 2: Convert to fraction form
    2,623.38/3,620.16 = 1,444.40/x
  3. Step 3: Cross multiply
    2,623.38x = 3,620.16 × 1,444.40
  4. Step 4: Simplify right side
    2,623.38x = 5,228,959.10
  5. Step 5: Solve for x
    x = 5,228,959.10/2,623.38
  6. Step 6: Final answer
    x = 1,993.21

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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.