Home / 3,472.82-4,792.45-1,900.90

Finding the Fourth Proportional to 3,472.82, 4,792.45 and 1,900.90

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Solution

The fourth proportional to 3,472.82, 4,792.45 and 1,900.90 is: 2,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.82 : 4,792.45 = 1,900.90 : x
  2. Step 2: Convert to fraction form
    3,472.82/4,792.45 = 1,900.90/x
  3. Step 3: Cross multiply
    3,472.82x = 4,792.45 × 1,900.90
  4. Step 4: Simplify right side
    3,472.82x = 9,109,968.21
  5. Step 5: Solve for x
    x = 9,109,968.21/3,472.82
  6. Step 6: Final answer
    x = 2,623.22

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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.