Home / 3,441.90-4,751.55-2,880.30

Finding the Fourth Proportional to 3,441.90, 4,751.55 and 2,880.30

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Solution

The fourth proportional to 3,441.90, 4,751.55 and 2,880.30 is: 3,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.90 : 4,751.55 = 2,880.30 : x
  2. Step 2: Convert to fraction form
    3,441.90/4,751.55 = 2,880.30/x
  3. Step 3: Cross multiply
    3,441.90x = 4,751.55 × 2,880.30
  4. Step 4: Simplify right side
    3,441.90x = 13,685,889.47
  5. Step 5: Solve for x
    x = 13,685,889.47/3,441.90
  6. Step 6: Final answer
    x = 3,976.26

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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.