Home / 3,639.21-5,024.88-3,631.92

Finding the Fourth Proportional to 3,639.21, 5,024.88 and 3,631.92

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Solution

The fourth proportional to 3,639.21, 5,024.88 and 3,631.92 is: 5,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.21 : 5,024.88 = 3,631.92 : x
  2. Step 2: Convert to fraction form
    3,639.21/5,024.88 = 3,631.92/x
  3. Step 3: Cross multiply
    3,639.21x = 5,024.88 × 3,631.92
  4. Step 4: Simplify right side
    3,639.21x = 18,249,962.17
  5. Step 5: Solve for x
    x = 18,249,962.17/3,639.21
  6. Step 6: Final answer
    x = 5,014.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.