Home / 2,353.05-3,247.16-1,305.11

Finding the Fourth Proportional to 2,353.05, 3,247.16 and 1,305.11

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Solution

The fourth proportional to 2,353.05, 3,247.16 and 1,305.11 is: 1,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.05 : 3,247.16 = 1,305.11 : x
  2. Step 2: Convert to fraction form
    2,353.05/3,247.16 = 1,305.11/x
  3. Step 3: Cross multiply
    2,353.05x = 3,247.16 × 1,305.11
  4. Step 4: Simplify right side
    2,353.05x = 4,237,902.58
  5. Step 5: Solve for x
    x = 4,237,902.58/2,353.05
  6. Step 6: Final answer
    x = 1,801.03

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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.