Home / 2,148.27-3,222.07-588.40

Finding the Fourth Proportional to 2,148.27, 3,222.07 and 588.40

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Solution

The fourth proportional to 2,148.27, 3,222.07 and 588.40 is: 882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.27 : 3,222.07 = 588.40 : x
  2. Step 2: Convert to fraction form
    2,148.27/3,222.07 = 588.40/x
  3. Step 3: Cross multiply
    2,148.27x = 3,222.07 × 588.40
  4. Step 4: Simplify right side
    2,148.27x = 1,895,865.99
  5. Step 5: Solve for x
    x = 1,895,865.99/2,148.27
  6. Step 6: Final answer
    x = 882.51

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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.