Home / 3,653.20-5,479.14-1,055.56

Finding the Fourth Proportional to 3,653.20, 5,479.14 and 1,055.56

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Solution

The fourth proportional to 3,653.20, 5,479.14 and 1,055.56 is: 1,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.20 : 5,479.14 = 1,055.56 : x
  2. Step 2: Convert to fraction form
    3,653.20/5,479.14 = 1,055.56/x
  3. Step 3: Cross multiply
    3,653.20x = 5,479.14 × 1,055.56
  4. Step 4: Simplify right side
    3,653.20x = 5,783,561.02
  5. Step 5: Solve for x
    x = 5,783,561.02/3,653.20
  6. Step 6: Final answer
    x = 1,583.15

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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.