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Finding the Fourth Proportional to 3,407.56, 5,110.56 and 1,216.24

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Solution

The fourth proportional to 3,407.56, 5,110.56 and 1,216.24 is: 1,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.56 : 5,110.56 = 1,216.24 : x
  2. Step 2: Convert to fraction form
    3,407.56/5,110.56 = 1,216.24/x
  3. Step 3: Cross multiply
    3,407.56x = 5,110.56 × 1,216.24
  4. Step 4: Simplify right side
    3,407.56x = 6,215,667.49
  5. Step 5: Solve for x
    x = 6,215,667.49/3,407.56
  6. Step 6: Final answer
    x = 1,824.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.