Home / 3,825.63-5,278.56-2,501.28

Finding the Fourth Proportional to 3,825.63, 5,278.56 and 2,501.28

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Solution

The fourth proportional to 3,825.63, 5,278.56 and 2,501.28 is: 3,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.63 : 5,278.56 = 2,501.28 : x
  2. Step 2: Convert to fraction form
    3,825.63/5,278.56 = 2,501.28/x
  3. Step 3: Cross multiply
    3,825.63x = 5,278.56 × 2,501.28
  4. Step 4: Simplify right side
    3,825.63x = 13,203,156.56
  5. Step 5: Solve for x
    x = 13,203,156.56/3,825.63
  6. Step 6: Final answer
    x = 3,451.24

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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.