Home / 2,454.32-3,384.96-1,982.08

Finding the Fourth Proportional to 2,454.32, 3,384.96 and 1,982.08

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Solution

The fourth proportional to 2,454.32, 3,384.96 and 1,982.08 is: 2,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.32 : 3,384.96 = 1,982.08 : x
  2. Step 2: Convert to fraction form
    2,454.32/3,384.96 = 1,982.08/x
  3. Step 3: Cross multiply
    2,454.32x = 3,384.96 × 1,982.08
  4. Step 4: Simplify right side
    2,454.32x = 6,709,261.52
  5. Step 5: Solve for x
    x = 6,709,261.52/2,454.32
  6. Step 6: Final answer
    x = 2,733.65

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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.