Home / 2,353.66-3,247.90-1,305.79

Finding the Fourth Proportional to 2,353.66, 3,247.90 and 1,305.79

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Solution

The fourth proportional to 2,353.66, 3,247.90 and 1,305.79 is: 1,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.66 : 3,247.90 = 1,305.79 : x
  2. Step 2: Convert to fraction form
    2,353.66/3,247.90 = 1,305.79/x
  3. Step 3: Cross multiply
    2,353.66x = 3,247.90 × 1,305.79
  4. Step 4: Simplify right side
    2,353.66x = 4,241,075.34
  5. Step 5: Solve for x
    x = 4,241,075.34/2,353.66
  6. Step 6: Final answer
    x = 1,801.91

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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.