Home / 3,728.52-5,592.75-1,388.45

Finding the Fourth Proportional to 3,728.52, 5,592.75 and 1,388.45

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Solution

The fourth proportional to 3,728.52, 5,592.75 and 1,388.45 is: 2,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.52 : 5,592.75 = 1,388.45 : x
  2. Step 2: Convert to fraction form
    3,728.52/5,592.75 = 1,388.45/x
  3. Step 3: Cross multiply
    3,728.52x = 5,592.75 × 1,388.45
  4. Step 4: Simplify right side
    3,728.52x = 7,765,225.77
  5. Step 5: Solve for x
    x = 7,765,225.77/3,728.52
  6. Step 6: Final answer
    x = 2,082.66

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1.5x scale

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.