Home / 1,520.28-2,282.58-1,450.68

Finding the Fourth Proportional to 1,520.28, 2,282.58 and 1,450.68

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Solution

The fourth proportional to 1,520.28, 2,282.58 and 1,450.68 is: 2,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.28 : 2,282.58 = 1,450.68 : x
  2. Step 2: Convert to fraction form
    1,520.28/2,282.58 = 1,450.68/x
  3. Step 3: Cross multiply
    1,520.28x = 2,282.58 × 1,450.68
  4. Step 4: Simplify right side
    1,520.28x = 3,311,293.15
  5. Step 5: Solve for x
    x = 3,311,293.15/1,520.28
  6. Step 6: Final answer
    x = 2,178.08

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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.