Home / 3,537.32-4,880.67-2,278.80

Finding the Fourth Proportional to 3,537.32, 4,880.67 and 2,278.80

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Solution

The fourth proportional to 3,537.32, 4,880.67 and 2,278.80 is: 3,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.32 : 4,880.67 = 2,278.80 : x
  2. Step 2: Convert to fraction form
    3,537.32/4,880.67 = 2,278.80/x
  3. Step 3: Cross multiply
    3,537.32x = 4,880.67 × 2,278.80
  4. Step 4: Simplify right side
    3,537.32x = 11,122,070.80
  5. Step 5: Solve for x
    x = 11,122,070.80/3,537.32
  6. Step 6: Final answer
    x = 3,144.21

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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.