Home / 3,222.29-4,442.61-2,085.95

Finding the Fourth Proportional to 3,222.29, 4,442.61 and 2,085.95

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Solution

The fourth proportional to 3,222.29, 4,442.61 and 2,085.95 is: 2,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.29 : 4,442.61 = 2,085.95 : x
  2. Step 2: Convert to fraction form
    3,222.29/4,442.61 = 2,085.95/x
  3. Step 3: Cross multiply
    3,222.29x = 4,442.61 × 2,085.95
  4. Step 4: Simplify right side
    3,222.29x = 9,267,056.27
  5. Step 5: Solve for x
    x = 9,267,056.27/3,222.29
  6. Step 6: Final answer
    x = 2,875.92

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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.