Home / 2,079.42-3,117.37-968.26

Finding the Fourth Proportional to 2,079.42, 3,117.37 and 968.26

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Solution

The fourth proportional to 2,079.42, 3,117.37 and 968.26 is: 1,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.42 : 3,117.37 = 968.26 : x
  2. Step 2: Convert to fraction form
    2,079.42/3,117.37 = 968.26/x
  3. Step 3: Cross multiply
    2,079.42x = 3,117.37 × 968.26
  4. Step 4: Simplify right side
    2,079.42x = 3,018,424.68
  5. Step 5: Solve for x
    x = 3,018,424.68/2,079.42
  6. Step 6: Final answer
    x = 1,451.57

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1.5x scale

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.