Home / 4,151.78-5,729.30-2,263.32

Finding the Fourth Proportional to 4,151.78, 5,729.30 and 2,263.32

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Solution

The fourth proportional to 4,151.78, 5,729.30 and 2,263.32 is: 3,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.78 : 5,729.30 = 2,263.32 : x
  2. Step 2: Convert to fraction form
    4,151.78/5,729.30 = 2,263.32/x
  3. Step 3: Cross multiply
    4,151.78x = 5,729.30 × 2,263.32
  4. Step 4: Simplify right side
    4,151.78x = 12,967,239.28
  5. Step 5: Solve for x
    x = 12,967,239.28/4,151.78
  6. Step 6: Final answer
    x = 3,123.30

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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.