Home / 3,073.78-4,241.67-1,880.75

Finding the Fourth Proportional to 3,073.78, 4,241.67 and 1,880.75

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Solution

The fourth proportional to 3,073.78, 4,241.67 and 1,880.75 is: 2,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.78 : 4,241.67 = 1,880.75 : x
  2. Step 2: Convert to fraction form
    3,073.78/4,241.67 = 1,880.75/x
  3. Step 3: Cross multiply
    3,073.78x = 4,241.67 × 1,880.75
  4. Step 4: Simplify right side
    3,073.78x = 7,977,490.24
  5. Step 5: Solve for x
    x = 7,977,490.24/3,073.78
  6. Step 6: Final answer
    x = 2,595.34

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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.