Home / 3,448.64-4,758.68-2,187.47

Finding the Fourth Proportional to 3,448.64, 4,758.68 and 2,187.47

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Solution

The fourth proportional to 3,448.64, 4,758.68 and 2,187.47 is: 3,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.64 : 4,758.68 = 2,187.47 : x
  2. Step 2: Convert to fraction form
    3,448.64/4,758.68 = 2,187.47/x
  3. Step 3: Cross multiply
    3,448.64x = 4,758.68 × 2,187.47
  4. Step 4: Simplify right side
    3,448.64x = 10,409,487.10
  5. Step 5: Solve for x
    x = 10,409,487.10/3,448.64
  6. Step 6: Final answer
    x = 3,018.43

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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.