Home / 2,564.79-3,844.75-1,265.55

Finding the Fourth Proportional to 2,564.79, 3,844.75 and 1,265.55

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Solution

The fourth proportional to 2,564.79, 3,844.75 and 1,265.55 is: 1,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.79 : 3,844.75 = 1,265.55 : x
  2. Step 2: Convert to fraction form
    2,564.79/3,844.75 = 1,265.55/x
  3. Step 3: Cross multiply
    2,564.79x = 3,844.75 × 1,265.55
  4. Step 4: Simplify right side
    2,564.79x = 4,865,723.36
  5. Step 5: Solve for x
    x = 4,865,723.36/2,564.79
  6. Step 6: Final answer
    x = 1,897.12

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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.