Home / 2,625.67-3,938.64-1,065.44

Finding the Fourth Proportional to 2,625.67, 3,938.64 and 1,065.44

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Solution

The fourth proportional to 2,625.67, 3,938.64 and 1,065.44 is: 1,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.67 : 3,938.64 = 1,065.44 : x
  2. Step 2: Convert to fraction form
    2,625.67/3,938.64 = 1,065.44/x
  3. Step 3: Cross multiply
    2,625.67x = 3,938.64 × 1,065.44
  4. Step 4: Simplify right side
    2,625.67x = 4,196,359.58
  5. Step 5: Solve for x
    x = 4,196,359.58/2,625.67
  6. Step 6: Final answer
    x = 1,598.21

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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.