Home / 3,208.42-4,427.58-1,792.13

Finding the Fourth Proportional to 3,208.42, 4,427.58 and 1,792.13

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Solution

The fourth proportional to 3,208.42, 4,427.58 and 1,792.13 is: 2,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.42 : 4,427.58 = 1,792.13 : x
  2. Step 2: Convert to fraction form
    3,208.42/4,427.58 = 1,792.13/x
  3. Step 3: Cross multiply
    3,208.42x = 4,427.58 × 1,792.13
  4. Step 4: Simplify right side
    3,208.42x = 7,934,803.29
  5. Step 5: Solve for x
    x = 7,934,803.29/3,208.42
  6. Step 6: Final answer
    x = 2,473.12

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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.