Home / 2,347.58-3,239.80-1,353.11

Finding the Fourth Proportional to 2,347.58, 3,239.80 and 1,353.11

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Solution

The fourth proportional to 2,347.58, 3,239.80 and 1,353.11 is: 1,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.58 : 3,239.80 = 1,353.11 : x
  2. Step 2: Convert to fraction form
    2,347.58/3,239.80 = 1,353.11/x
  3. Step 3: Cross multiply
    2,347.58x = 3,239.80 × 1,353.11
  4. Step 4: Simplify right side
    2,347.58x = 4,383,786.20
  5. Step 5: Solve for x
    x = 4,383,786.20/2,347.58
  6. Step 6: Final answer
    x = 1,867.36

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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.