Home / 3,347.60-5,019.16-1,786.64

Finding the Fourth Proportional to 3,347.60, 5,019.16 and 1,786.64

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Solution

The fourth proportional to 3,347.60, 5,019.16 and 1,786.64 is: 2,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.60 : 5,019.16 = 1,786.64 : x
  2. Step 2: Convert to fraction form
    3,347.60/5,019.16 = 1,786.64/x
  3. Step 3: Cross multiply
    3,347.60x = 5,019.16 × 1,786.64
  4. Step 4: Simplify right side
    3,347.60x = 8,967,432.02
  5. Step 5: Solve for x
    x = 8,967,432.02/3,347.60
  6. Step 6: Final answer
    x = 2,678.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.