Home / 3,614.40-5,421.60-3,395.70

Finding the Fourth Proportional to 3,614.40, 5,421.60 and 3,395.70

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Solution

The fourth proportional to 3,614.40, 5,421.60 and 3,395.70 is: 5,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.40 : 5,421.60 = 3,395.70 : x
  2. Step 2: Convert to fraction form
    3,614.40/5,421.60 = 3,395.70/x
  3. Step 3: Cross multiply
    3,614.40x = 5,421.60 × 3,395.70
  4. Step 4: Simplify right side
    3,614.40x = 18,410,127.12
  5. Step 5: Solve for x
    x = 18,410,127.12/3,614.40
  6. Step 6: Final answer
    x = 5,093.55

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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.