Home / 4,206.70-6,309.78-1,740.88

Finding the Fourth Proportional to 4,206.70, 6,309.78 and 1,740.88

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Solution

The fourth proportional to 4,206.70, 6,309.78 and 1,740.88 is: 2,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.70 : 6,309.78 = 1,740.88 : x
  2. Step 2: Convert to fraction form
    4,206.70/6,309.78 = 1,740.88/x
  3. Step 3: Cross multiply
    4,206.70x = 6,309.78 × 1,740.88
  4. Step 4: Simplify right side
    4,206.70x = 10,984,569.81
  5. Step 5: Solve for x
    x = 10,984,569.81/4,206.70
  6. Step 6: Final answer
    x = 2,611.21

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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.