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Finding the Fourth Proportional to 2,904.02, 4,356.11 and 852.02

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Solution

The fourth proportional to 2,904.02, 4,356.11 and 852.02 is: 1,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.02 : 4,356.11 = 852.02 : x
  2. Step 2: Convert to fraction form
    2,904.02/4,356.11 = 852.02/x
  3. Step 3: Cross multiply
    2,904.02x = 4,356.11 × 852.02
  4. Step 4: Simplify right side
    2,904.02x = 3,711,492.84
  5. Step 5: Solve for x
    x = 3,711,492.84/2,904.02
  6. Step 6: Final answer
    x = 1,278.05

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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.