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Finding the Fourth Proportional to 3,248.04, 4,872.32 and 908.06

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Solution

The fourth proportional to 3,248.04, 4,872.32 and 908.06 is: 1,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.04 : 4,872.32 = 908.06 : x
  2. Step 2: Convert to fraction form
    3,248.04/4,872.32 = 908.06/x
  3. Step 3: Cross multiply
    3,248.04x = 4,872.32 × 908.06
  4. Step 4: Simplify right side
    3,248.04x = 4,424,360.81
  5. Step 5: Solve for x
    x = 4,424,360.81/3,248.04
  6. Step 6: Final answer
    x = 1,362.16

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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.