Home / 2,448.39-3,377.36-1,563.20

Finding the Fourth Proportional to 2,448.39, 3,377.36 and 1,563.20

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Solution

The fourth proportional to 2,448.39, 3,377.36 and 1,563.20 is: 2,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.39 : 3,377.36 = 1,563.20 : x
  2. Step 2: Convert to fraction form
    2,448.39/3,377.36 = 1,563.20/x
  3. Step 3: Cross multiply
    2,448.39x = 3,377.36 × 1,563.20
  4. Step 4: Simplify right side
    2,448.39x = 5,279,489.15
  5. Step 5: Solve for x
    x = 5,279,489.15/2,448.39
  6. Step 6: Final answer
    x = 2,156.31

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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.