Home / 2,388.30-3,297.03-1,505.46

Finding the Fourth Proportional to 2,388.30, 3,297.03 and 1,505.46

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Solution

The fourth proportional to 2,388.30, 3,297.03 and 1,505.46 is: 2,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.30 : 3,297.03 = 1,505.46 : x
  2. Step 2: Convert to fraction form
    2,388.30/3,297.03 = 1,505.46/x
  3. Step 3: Cross multiply
    2,388.30x = 3,297.03 × 1,505.46
  4. Step 4: Simplify right side
    2,388.30x = 4,963,546.78
  5. Step 5: Solve for x
    x = 4,963,546.78/2,388.30
  6. Step 6: Final answer
    x = 2,078.28

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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.