Home / 1,577.02-2,365.37-481.39

Finding the Fourth Proportional to 1,577.02, 2,365.37 and 481.39

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Solution

The fourth proportional to 1,577.02, 2,365.37 and 481.39 is: 722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.02 : 2,365.37 = 481.39 : x
  2. Step 2: Convert to fraction form
    1,577.02/2,365.37 = 481.39/x
  3. Step 3: Cross multiply
    1,577.02x = 2,365.37 × 481.39
  4. Step 4: Simplify right side
    1,577.02x = 1,138,665.46
  5. Step 5: Solve for x
    x = 1,138,665.46/1,577.02
  6. Step 6: Final answer
    x = 722.04

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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.