Home / 2,351.68-3,527.56-2,209.12

Finding the Fourth Proportional to 2,351.68, 3,527.56 and 2,209.12

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Solution

The fourth proportional to 2,351.68, 3,527.56 and 2,209.12 is: 3,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.68 : 3,527.56 = 2,209.12 : x
  2. Step 2: Convert to fraction form
    2,351.68/3,527.56 = 2,209.12/x
  3. Step 3: Cross multiply
    2,351.68x = 3,527.56 × 2,209.12
  4. Step 4: Simplify right side
    2,351.68x = 7,792,803.35
  5. Step 5: Solve for x
    x = 7,792,803.35/2,351.68
  6. Step 6: Final answer
    x = 3,313.72

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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.