Home / 2,557.81-3,824.70-1,825.12

Finding the Fourth Proportional to 2,557.81, 3,824.70 and 1,825.12

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Solution

The fourth proportional to 2,557.81, 3,824.70 and 1,825.12 is: 2,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.81 : 3,824.70 = 1,825.12 : x
  2. Step 2: Convert to fraction form
    2,557.81/3,824.70 = 1,825.12/x
  3. Step 3: Cross multiply
    2,557.81x = 3,824.70 × 1,825.12
  4. Step 4: Simplify right side
    2,557.81x = 6,980,536.46
  5. Step 5: Solve for x
    x = 6,980,536.46/2,557.81
  6. Step 6: Final answer
    x = 2,729.11

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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.