Home / 2,905.35-4,013.24-2,283.72

Finding the Fourth Proportional to 2,905.35, 4,013.24 and 2,283.72

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Solution

The fourth proportional to 2,905.35, 4,013.24 and 2,283.72 is: 3,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.35 : 4,013.24 = 2,283.72 : x
  2. Step 2: Convert to fraction form
    2,905.35/4,013.24 = 2,283.72/x
  3. Step 3: Cross multiply
    2,905.35x = 4,013.24 × 2,283.72
  4. Step 4: Simplify right side
    2,905.35x = 9,165,105.03
  5. Step 5: Solve for x
    x = 9,165,105.03/2,905.35
  6. Step 6: Final answer
    x = 3,154.56

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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.