Home / 2,625.02-3,929.37-1,963

Finding the Fourth Proportional to 2,625.02, 3,929.37 and 1,963

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Solution

The fourth proportional to 2,625.02, 3,929.37 and 1,963 is: 2,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.02 : 3,929.37 = 1,963 : x
  2. Step 2: Convert to fraction form
    2,625.02/3,929.37 = 1,963/x
  3. Step 3: Cross multiply
    2,625.02x = 3,929.37 × 1,963
  4. Step 4: Simplify right side
    2,625.02x = 7,713,353.31
  5. Step 5: Solve for x
    x = 7,713,353.31/2,625.02
  6. Step 6: Final answer
    x = 2,938.40

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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.