Home / 2,987.23-4,479.48-1,755.22

Finding the Fourth Proportional to 2,987.23, 4,479.48 and 1,755.22

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Solution

The fourth proportional to 2,987.23, 4,479.48 and 1,755.22 is: 2,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.23 : 4,479.48 = 1,755.22 : x
  2. Step 2: Convert to fraction form
    2,987.23/4,479.48 = 1,755.22/x
  3. Step 3: Cross multiply
    2,987.23x = 4,479.48 × 1,755.22
  4. Step 4: Simplify right side
    2,987.23x = 7,862,464.11
  5. Step 5: Solve for x
    x = 7,862,464.11/2,987.23
  6. Step 6: Final answer
    x = 2,632.03

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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.