Home / 3,168.24-4,370.29-1,987.26

Finding the Fourth Proportional to 3,168.24, 4,370.29 and 1,987.26

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Solution

The fourth proportional to 3,168.24, 4,370.29 and 1,987.26 is: 2,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.24 : 4,370.29 = 1,987.26 : x
  2. Step 2: Convert to fraction form
    3,168.24/4,370.29 = 1,987.26/x
  3. Step 3: Cross multiply
    3,168.24x = 4,370.29 × 1,987.26
  4. Step 4: Simplify right side
    3,168.24x = 8,684,902.51
  5. Step 5: Solve for x
    x = 8,684,902.51/3,168.24
  6. Step 6: Final answer
    x = 2,741.24

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1.5x scale

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.