Home / 2,282.32-3,148.96-1,527.21

Finding the Fourth Proportional to 2,282.32, 3,148.96 and 1,527.21

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Solution

The fourth proportional to 2,282.32, 3,148.96 and 1,527.21 is: 2,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.32 : 3,148.96 = 1,527.21 : x
  2. Step 2: Convert to fraction form
    2,282.32/3,148.96 = 1,527.21/x
  3. Step 3: Cross multiply
    2,282.32x = 3,148.96 × 1,527.21
  4. Step 4: Simplify right side
    2,282.32x = 4,809,123.20
  5. Step 5: Solve for x
    x = 4,809,123.20/2,282.32
  6. Step 6: Final answer
    x = 2,107.12

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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.