Home / 2,079.23-3,119.09-846.68

Finding the Fourth Proportional to 2,079.23, 3,119.09 and 846.68

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Solution

The fourth proportional to 2,079.23, 3,119.09 and 846.68 is: 1,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.23 : 3,119.09 = 846.68 : x
  2. Step 2: Convert to fraction form
    2,079.23/3,119.09 = 846.68/x
  3. Step 3: Cross multiply
    2,079.23x = 3,119.09 × 846.68
  4. Step 4: Simplify right side
    2,079.23x = 2,640,851.29
  5. Step 5: Solve for x
    x = 2,640,851.29/2,079.23
  6. Step 6: Final answer
    x = 1,270.11

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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.