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Finding the Fourth Proportional to 3,749.94, 5,637.06 and 3,479.40

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Solution

The fourth proportional to 3,749.94, 5,637.06 and 3,479.40 is: 5,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.94 : 5,637.06 = 3,479.40 : x
  2. Step 2: Convert to fraction form
    3,749.94/5,637.06 = 3,479.40/x
  3. Step 3: Cross multiply
    3,749.94x = 5,637.06 × 3,479.40
  4. Step 4: Simplify right side
    3,749.94x = 19,613,586.56
  5. Step 5: Solve for x
    x = 19,613,586.56/3,749.94
  6. Step 6: Final answer
    x = 5,230.37

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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.