Home / 3,631.21-5,006.31-2,622.07

Finding the Fourth Proportional to 3,631.21, 5,006.31 and 2,622.07

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Solution

The fourth proportional to 3,631.21, 5,006.31 and 2,622.07 is: 3,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.21 : 5,006.31 = 2,622.07 : x
  2. Step 2: Convert to fraction form
    3,631.21/5,006.31 = 2,622.07/x
  3. Step 3: Cross multiply
    3,631.21x = 5,006.31 × 2,622.07
  4. Step 4: Simplify right side
    3,631.21x = 13,126,895.26
  5. Step 5: Solve for x
    x = 13,126,895.26/3,631.21
  6. Step 6: Final answer
    x = 3,615.02

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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.