Home / 3,149.36-4,343.74-2,085.24

Finding the Fourth Proportional to 3,149.36, 4,343.74 and 2,085.24

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Solution

The fourth proportional to 3,149.36, 4,343.74 and 2,085.24 is: 2,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.36 : 4,343.74 = 2,085.24 : x
  2. Step 2: Convert to fraction form
    3,149.36/4,343.74 = 2,085.24/x
  3. Step 3: Cross multiply
    3,149.36x = 4,343.74 × 2,085.24
  4. Step 4: Simplify right side
    3,149.36x = 9,057,740.40
  5. Step 5: Solve for x
    x = 9,057,740.40/3,149.36
  6. Step 6: Final answer
    x = 2,876.06

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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.