Home / 3,650.85-5,038.70-2,079.09

Finding the Fourth Proportional to 3,650.85, 5,038.70 and 2,079.09

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Solution

The fourth proportional to 3,650.85, 5,038.70 and 2,079.09 is: 2,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.85 : 5,038.70 = 2,079.09 : x
  2. Step 2: Convert to fraction form
    3,650.85/5,038.70 = 2,079.09/x
  3. Step 3: Cross multiply
    3,650.85x = 5,038.70 × 2,079.09
  4. Step 4: Simplify right side
    3,650.85x = 10,475,900.39
  5. Step 5: Solve for x
    x = 10,475,900.39/3,650.85
  6. Step 6: Final answer
    x = 2,869.44

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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.