Home / 3,487.44-4,812.48-1,995.42

Finding the Fourth Proportional to 3,487.44, 4,812.48 and 1,995.42

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Solution

The fourth proportional to 3,487.44, 4,812.48 and 1,995.42 is: 2,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.44 : 4,812.48 = 1,995.42 : x
  2. Step 2: Convert to fraction form
    3,487.44/4,812.48 = 1,995.42/x
  3. Step 3: Cross multiply
    3,487.44x = 4,812.48 × 1,995.42
  4. Step 4: Simplify right side
    3,487.44x = 9,602,918.84
  5. Step 5: Solve for x
    x = 9,602,918.84/3,487.44
  6. Step 6: Final answer
    x = 2,753.57

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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.