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Finding the Fourth Proportional to 2,806.32, 3,867.84 and 2,484.48

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Solution

The fourth proportional to 2,806.32, 3,867.84 and 2,484.48 is: 3,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.32 : 3,867.84 = 2,484.48 : x
  2. Step 2: Convert to fraction form
    2,806.32/3,867.84 = 2,484.48/x
  3. Step 3: Cross multiply
    2,806.32x = 3,867.84 × 2,484.48
  4. Step 4: Simplify right side
    2,806.32x = 9,609,571.12
  5. Step 5: Solve for x
    x = 9,609,571.12/2,806.32
  6. Step 6: Final answer
    x = 3,424.26

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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.