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Finding the Fourth Proportional to 2,952.06, 4,428.09 and 900.06

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Solution

The fourth proportional to 2,952.06, 4,428.09 and 900.06 is: 1,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.06 : 4,428.09 = 900.06 : x
  2. Step 2: Convert to fraction form
    2,952.06/4,428.09 = 900.06/x
  3. Step 3: Cross multiply
    2,952.06x = 4,428.09 × 900.06
  4. Step 4: Simplify right side
    2,952.06x = 3,985,546.69
  5. Step 5: Solve for x
    x = 3,985,546.69/2,952.06
  6. Step 6: Final answer
    x = 1,350.09

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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.