Home / 3,435.66-4,743.90-2,109.96

Finding the Fourth Proportional to 3,435.66, 4,743.90 and 2,109.96

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Solution

The fourth proportional to 3,435.66, 4,743.90 and 2,109.96 is: 2,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.66 : 4,743.90 = 2,109.96 : x
  2. Step 2: Convert to fraction form
    3,435.66/4,743.90 = 2,109.96/x
  3. Step 3: Cross multiply
    3,435.66x = 4,743.90 × 2,109.96
  4. Step 4: Simplify right side
    3,435.66x = 10,009,439.24
  5. Step 5: Solve for x
    x = 10,009,439.24/3,435.66
  6. Step 6: Final answer
    x = 2,913.40

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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.