Home / 3,803.50-5,705.25-1,206.46

Finding the Fourth Proportional to 3,803.50, 5,705.25 and 1,206.46

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Solution

The fourth proportional to 3,803.50, 5,705.25 and 1,206.46 is: 1,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.50 : 5,705.25 = 1,206.46 : x
  2. Step 2: Convert to fraction form
    3,803.50/5,705.25 = 1,206.46/x
  3. Step 3: Cross multiply
    3,803.50x = 5,705.25 × 1,206.46
  4. Step 4: Simplify right side
    3,803.50x = 6,883,155.92
  5. Step 5: Solve for x
    x = 6,883,155.92/3,803.50
  6. Step 6: Final answer
    x = 1,809.69

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Double scale
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Similar ratio
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1.5x scale

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.