Home / 2,176.92-3,266.16-1,021.84

Finding the Fourth Proportional to 2,176.92, 3,266.16 and 1,021.84

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Solution

The fourth proportional to 2,176.92, 3,266.16 and 1,021.84 is: 1,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.92 : 3,266.16 = 1,021.84 : x
  2. Step 2: Convert to fraction form
    2,176.92/3,266.16 = 1,021.84/x
  3. Step 3: Cross multiply
    2,176.92x = 3,266.16 × 1,021.84
  4. Step 4: Simplify right side
    2,176.92x = 3,337,492.93
  5. Step 5: Solve for x
    x = 3,337,492.93/2,176.92
  6. Step 6: Final answer
    x = 1,533.13

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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.