Home / 3,750.20-5,622.69-1,669.10

Finding the Fourth Proportional to 3,750.20, 5,622.69 and 1,669.10

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Solution

The fourth proportional to 3,750.20, 5,622.69 and 1,669.10 is: 2,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.20 : 5,622.69 = 1,669.10 : x
  2. Step 2: Convert to fraction form
    3,750.20/5,622.69 = 1,669.10/x
  3. Step 3: Cross multiply
    3,750.20x = 5,622.69 × 1,669.10
  4. Step 4: Simplify right side
    3,750.20x = 9,384,803.77
  5. Step 5: Solve for x
    x = 9,384,803.77/3,750.20
  6. Step 6: Final answer
    x = 2,502.48

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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.