Home / 1,634.02-2,254.44-925.78

Finding the Fourth Proportional to 1,634.02, 2,254.44 and 925.78

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Solution

The fourth proportional to 1,634.02, 2,254.44 and 925.78 is: 1,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.02 : 2,254.44 = 925.78 : x
  2. Step 2: Convert to fraction form
    1,634.02/2,254.44 = 925.78/x
  3. Step 3: Cross multiply
    1,634.02x = 2,254.44 × 925.78
  4. Step 4: Simplify right side
    1,634.02x = 2,087,115.46
  5. Step 5: Solve for x
    x = 2,087,115.46/1,634.02
  6. Step 6: Final answer
    x = 1,277.29

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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.