Home / 3,639.05-5,458.47-1,173.41

Finding the Fourth Proportional to 3,639.05, 5,458.47 and 1,173.41

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Solution

The fourth proportional to 3,639.05, 5,458.47 and 1,173.41 is: 1,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.05 : 5,458.47 = 1,173.41 : x
  2. Step 2: Convert to fraction form
    3,639.05/5,458.47 = 1,173.41/x
  3. Step 3: Cross multiply
    3,639.05x = 5,458.47 × 1,173.41
  4. Step 4: Simplify right side
    3,639.05x = 6,405,023.28
  5. Step 5: Solve for x
    x = 6,405,023.28/3,639.05
  6. Step 6: Final answer
    x = 1,760.08

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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.