Home / 2,458.32-3,388.50-2,138.48

Finding the Fourth Proportional to 2,458.32, 3,388.50 and 2,138.48

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Solution

The fourth proportional to 2,458.32, 3,388.50 and 2,138.48 is: 2,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.32 : 3,388.50 = 2,138.48 : x
  2. Step 2: Convert to fraction form
    2,458.32/3,388.50 = 2,138.48/x
  3. Step 3: Cross multiply
    2,458.32x = 3,388.50 × 2,138.48
  4. Step 4: Simplify right side
    2,458.32x = 7,246,239.48
  5. Step 5: Solve for x
    x = 7,246,239.48/2,458.32
  6. Step 6: Final answer
    x = 2,947.64

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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.