Home / 2,285.04-3,422.76-1,939.92

Finding the Fourth Proportional to 2,285.04, 3,422.76 and 1,939.92

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Solution

The fourth proportional to 2,285.04, 3,422.76 and 1,939.92 is: 2,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.04 : 3,422.76 = 1,939.92 : x
  2. Step 2: Convert to fraction form
    2,285.04/3,422.76 = 1,939.92/x
  3. Step 3: Cross multiply
    2,285.04x = 3,422.76 × 1,939.92
  4. Step 4: Simplify right side
    2,285.04x = 6,639,880.58
  5. Step 5: Solve for x
    x = 6,639,880.58/2,285.04
  6. Step 6: Final answer
    x = 2,905.80

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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.