Home / 3,222.91-4,828.02-2,123.92

Finding the Fourth Proportional to 3,222.91, 4,828.02 and 2,123.92

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Solution

The fourth proportional to 3,222.91, 4,828.02 and 2,123.92 is: 3,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.91 : 4,828.02 = 2,123.92 : x
  2. Step 2: Convert to fraction form
    3,222.91/4,828.02 = 2,123.92/x
  3. Step 3: Cross multiply
    3,222.91x = 4,828.02 × 2,123.92
  4. Step 4: Simplify right side
    3,222.91x = 10,254,328.24
  5. Step 5: Solve for x
    x = 10,254,328.24/3,222.91
  6. Step 6: Final answer
    x = 3,181.70

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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.