Home / 1,528.20-2,292.10-650.54

Finding the Fourth Proportional to 1,528.20, 2,292.10 and 650.54

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Solution

The fourth proportional to 1,528.20, 2,292.10 and 650.54 is: 975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.20 : 2,292.10 = 650.54 : x
  2. Step 2: Convert to fraction form
    1,528.20/2,292.10 = 650.54/x
  3. Step 3: Cross multiply
    1,528.20x = 2,292.10 × 650.54
  4. Step 4: Simplify right side
    1,528.20x = 1,491,102.73
  5. Step 5: Solve for x
    x = 1,491,102.73/1,528.20
  6. Step 6: Final answer
    x = 975.72

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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.