Home / 3,903.48-5,377.68-2,722.44

Finding the Fourth Proportional to 3,903.48, 5,377.68 and 2,722.44

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Solution

The fourth proportional to 3,903.48, 5,377.68 and 2,722.44 is: 3,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.48 : 5,377.68 = 2,722.44 : x
  2. Step 2: Convert to fraction form
    3,903.48/5,377.68 = 2,722.44/x
  3. Step 3: Cross multiply
    3,903.48x = 5,377.68 × 2,722.44
  4. Step 4: Simplify right side
    3,903.48x = 14,640,411.14
  5. Step 5: Solve for x
    x = 14,640,411.14/3,903.48
  6. Step 6: Final answer
    x = 3,750.60

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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.