Home / 3,803.62-5,705.52-1,206.58

Finding the Fourth Proportional to 3,803.62, 5,705.52 and 1,206.58

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Solution

The fourth proportional to 3,803.62, 5,705.52 and 1,206.58 is: 1,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.62 : 5,705.52 = 1,206.58 : x
  2. Step 2: Convert to fraction form
    3,803.62/5,705.52 = 1,206.58/x
  3. Step 3: Cross multiply
    3,803.62x = 5,705.52 × 1,206.58
  4. Step 4: Simplify right side
    3,803.62x = 6,884,166.32
  5. Step 5: Solve for x
    x = 6,884,166.32/3,803.62
  6. Step 6: Final answer
    x = 1,809.90

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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.