Home / 2,389.24-3,293.86-2,356.44

Finding the Fourth Proportional to 2,389.24, 3,293.86 and 2,356.44

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Solution

The fourth proportional to 2,389.24, 3,293.86 and 2,356.44 is: 3,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.24 : 3,293.86 = 2,356.44 : x
  2. Step 2: Convert to fraction form
    2,389.24/3,293.86 = 2,356.44/x
  3. Step 3: Cross multiply
    2,389.24x = 3,293.86 × 2,356.44
  4. Step 4: Simplify right side
    2,389.24x = 7,761,783.46
  5. Step 5: Solve for x
    x = 7,761,783.46/2,389.24
  6. Step 6: Final answer
    x = 3,248.64

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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.