Home / 2,347.20-3,253.95-2,222.36

Finding the Fourth Proportional to 2,347.20, 3,253.95 and 2,222.36

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Solution

The fourth proportional to 2,347.20, 3,253.95 and 2,222.36 is: 3,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.20 : 3,253.95 = 2,222.36 : x
  2. Step 2: Convert to fraction form
    2,347.20/3,253.95 = 2,222.36/x
  3. Step 3: Cross multiply
    2,347.20x = 3,253.95 × 2,222.36
  4. Step 4: Simplify right side
    2,347.20x = 7,231,448.32
  5. Step 5: Solve for x
    x = 7,231,448.32/2,347.20
  6. Step 6: Final answer
    x = 3,080.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.