Home / 3,775.44-5,215.10-3,148.02

Finding the Fourth Proportional to 3,775.44, 5,215.10 and 3,148.02

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Solution

The fourth proportional to 3,775.44, 5,215.10 and 3,148.02 is: 4,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.44 : 5,215.10 = 3,148.02 : x
  2. Step 2: Convert to fraction form
    3,775.44/5,215.10 = 3,148.02/x
  3. Step 3: Cross multiply
    3,775.44x = 5,215.10 × 3,148.02
  4. Step 4: Simplify right side
    3,775.44x = 16,417,223.36
  5. Step 5: Solve for x
    x = 16,417,223.36/3,775.44
  6. Step 6: Final answer
    x = 4,348.43

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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.