Home / 3,825.34-5,278.65-2,146.51

Finding the Fourth Proportional to 3,825.34, 5,278.65 and 2,146.51

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Solution

The fourth proportional to 3,825.34, 5,278.65 and 2,146.51 is: 2,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.34 : 5,278.65 = 2,146.51 : x
  2. Step 2: Convert to fraction form
    3,825.34/5,278.65 = 2,146.51/x
  3. Step 3: Cross multiply
    3,825.34x = 5,278.65 × 2,146.51
  4. Step 4: Simplify right side
    3,825.34x = 11,330,675.01
  5. Step 5: Solve for x
    x = 11,330,675.01/3,825.34
  6. Step 6: Final answer
    x = 2,962.00

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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.