Home / 3,180.26-4,389.72-2,061.26

Finding the Fourth Proportional to 3,180.26, 4,389.72 and 2,061.26

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Solution

The fourth proportional to 3,180.26, 4,389.72 and 2,061.26 is: 2,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.26 : 4,389.72 = 2,061.26 : x
  2. Step 2: Convert to fraction form
    3,180.26/4,389.72 = 2,061.26/x
  3. Step 3: Cross multiply
    3,180.26x = 4,389.72 × 2,061.26
  4. Step 4: Simplify right side
    3,180.26x = 9,048,354.25
  5. Step 5: Solve for x
    x = 9,048,354.25/3,180.26
  6. Step 6: Final answer
    x = 2,845.16

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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.