Home / 3,426.84-5,140.65-1,346.58

Finding the Fourth Proportional to 3,426.84, 5,140.65 and 1,346.58

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Solution

The fourth proportional to 3,426.84, 5,140.65 and 1,346.58 is: 2,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.84 : 5,140.65 = 1,346.58 : x
  2. Step 2: Convert to fraction form
    3,426.84/5,140.65 = 1,346.58/x
  3. Step 3: Cross multiply
    3,426.84x = 5,140.65 × 1,346.58
  4. Step 4: Simplify right side
    3,426.84x = 6,922,282.25
  5. Step 5: Solve for x
    x = 6,922,282.25/3,426.84
  6. Step 6: Final answer
    x = 2,020.02

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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.