Home / 4,073.90-5,621.31-2,280.96

Finding the Fourth Proportional to 4,073.90, 5,621.31 and 2,280.96

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Solution

The fourth proportional to 4,073.90, 5,621.31 and 2,280.96 is: 3,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.90 : 5,621.31 = 2,280.96 : x
  2. Step 2: Convert to fraction form
    4,073.90/5,621.31 = 2,280.96/x
  3. Step 3: Cross multiply
    4,073.90x = 5,621.31 × 2,280.96
  4. Step 4: Simplify right side
    4,073.90x = 12,821,983.26
  5. Step 5: Solve for x
    x = 12,821,983.26/4,073.90
  6. Step 6: Final answer
    x = 3,147.35

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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.