Home / 3,406.24-4,700.44-1,914.40

Finding the Fourth Proportional to 3,406.24, 4,700.44 and 1,914.40

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Solution

The fourth proportional to 3,406.24, 4,700.44 and 1,914.40 is: 2,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.24 : 4,700.44 = 1,914.40 : x
  2. Step 2: Convert to fraction form
    3,406.24/4,700.44 = 1,914.40/x
  3. Step 3: Cross multiply
    3,406.24x = 4,700.44 × 1,914.40
  4. Step 4: Simplify right side
    3,406.24x = 8,998,522.34
  5. Step 5: Solve for x
    x = 8,998,522.34/3,406.24
  6. Step 6: Final answer
    x = 2,641.78

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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.