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Finding the Fourth Proportional to 1,528.34, 2,292.04 and 650.84

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Solution

The fourth proportional to 1,528.34, 2,292.04 and 650.84 is: 976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.34 : 2,292.04 = 650.84 : x
  2. Step 2: Convert to fraction form
    1,528.34/2,292.04 = 650.84/x
  3. Step 3: Cross multiply
    1,528.34x = 2,292.04 × 650.84
  4. Step 4: Simplify right side
    1,528.34x = 1,491,737.01
  5. Step 5: Solve for x
    x = 1,491,737.01/1,528.34
  6. Step 6: Final answer
    x = 976.05

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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.