Home / 2,387.88-3,577.32-1,995.48

Finding the Fourth Proportional to 2,387.88, 3,577.32 and 1,995.48

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Solution

The fourth proportional to 2,387.88, 3,577.32 and 1,995.48 is: 2,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.88 : 3,577.32 = 1,995.48 : x
  2. Step 2: Convert to fraction form
    2,387.88/3,577.32 = 1,995.48/x
  3. Step 3: Cross multiply
    2,387.88x = 3,577.32 × 1,995.48
  4. Step 4: Simplify right side
    2,387.88x = 7,138,470.51
  5. Step 5: Solve for x
    x = 7,138,470.51/2,387.88
  6. Step 6: Final answer
    x = 2,989.46

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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.