Home / 2,079.43-3,119.26-846.16

Finding the Fourth Proportional to 2,079.43, 3,119.26 and 846.16

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Solution

The fourth proportional to 2,079.43, 3,119.26 and 846.16 is: 1,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.43 : 3,119.26 = 846.16 : x
  2. Step 2: Convert to fraction form
    2,079.43/3,119.26 = 846.16/x
  3. Step 3: Cross multiply
    2,079.43x = 3,119.26 × 846.16
  4. Step 4: Simplify right side
    2,079.43x = 2,639,402.26
  5. Step 5: Solve for x
    x = 2,639,402.26/2,079.43
  6. Step 6: Final answer
    x = 1,269.29

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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.