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Finding the Fourth Proportional to 2,904.34, 4,008.02 and 1,578.06

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Solution

The fourth proportional to 2,904.34, 4,008.02 and 1,578.06 is: 2,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.34 : 4,008.02 = 1,578.06 : x
  2. Step 2: Convert to fraction form
    2,904.34/4,008.02 = 1,578.06/x
  3. Step 3: Cross multiply
    2,904.34x = 4,008.02 × 1,578.06
  4. Step 4: Simplify right side
    2,904.34x = 6,324,906.06
  5. Step 5: Solve for x
    x = 6,324,906.06/2,904.34
  6. Step 6: Final answer
    x = 2,177.75

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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.