Home / 3,638.81-5,458.22-2,904.95

Finding the Fourth Proportional to 3,638.81, 5,458.22 and 2,904.95

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Solution

The fourth proportional to 3,638.81, 5,458.22 and 2,904.95 is: 4,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.81 : 5,458.22 = 2,904.95 : x
  2. Step 2: Convert to fraction form
    3,638.81/5,458.22 = 2,904.95/x
  3. Step 3: Cross multiply
    3,638.81x = 5,458.22 × 2,904.95
  4. Step 4: Simplify right side
    3,638.81x = 15,855,856.19
  5. Step 5: Solve for x
    x = 15,855,856.19/3,638.81
  6. Step 6: Final answer
    x = 4,357.43

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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.