Home / 3,555.05-5,330.30-1,476.50

Finding the Fourth Proportional to 3,555.05, 5,330.30 and 1,476.50

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Solution

The fourth proportional to 3,555.05, 5,330.30 and 1,476.50 is: 2,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.05 : 5,330.30 = 1,476.50 : x
  2. Step 2: Convert to fraction form
    3,555.05/5,330.30 = 1,476.50/x
  3. Step 3: Cross multiply
    3,555.05x = 5,330.30 × 1,476.50
  4. Step 4: Simplify right side
    3,555.05x = 7,870,153.92
  5. Step 5: Solve for x
    x = 7,870,153.92/3,555.05
  6. Step 6: Final answer
    x = 2,213.79

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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.