Home / 3,473.82-4,792.50-2,145.20

Finding the Fourth Proportional to 3,473.82, 4,792.50 and 2,145.20

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Solution

The fourth proportional to 3,473.82, 4,792.50 and 2,145.20 is: 2,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.82 : 4,792.50 = 2,145.20 : x
  2. Step 2: Convert to fraction form
    3,473.82/4,792.50 = 2,145.20/x
  3. Step 3: Cross multiply
    3,473.82x = 4,792.50 × 2,145.20
  4. Step 4: Simplify right side
    3,473.82x = 10,280,847.04
  5. Step 5: Solve for x
    x = 10,280,847.04/3,473.82
  6. Step 6: Final answer
    x = 2,959.52

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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.