Home / 3,669.10-5,495.55-2,205.70

Finding the Fourth Proportional to 3,669.10, 5,495.55 and 2,205.70

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Solution

The fourth proportional to 3,669.10, 5,495.55 and 2,205.70 is: 3,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.10 : 5,495.55 = 2,205.70 : x
  2. Step 2: Convert to fraction form
    3,669.10/5,495.55 = 2,205.70/x
  3. Step 3: Cross multiply
    3,669.10x = 5,495.55 × 2,205.70
  4. Step 4: Simplify right side
    3,669.10x = 12,121,534.64
  5. Step 5: Solve for x
    x = 12,121,534.64/3,669.10
  6. Step 6: Final answer
    x = 3,303.68

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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.