Home / 3,487.23-4,812.72-1,995.30

Finding the Fourth Proportional to 3,487.23, 4,812.72 and 1,995.30

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Solution

The fourth proportional to 3,487.23, 4,812.72 and 1,995.30 is: 2,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.23 : 4,812.72 = 1,995.30 : x
  2. Step 2: Convert to fraction form
    3,487.23/4,812.72 = 1,995.30/x
  3. Step 3: Cross multiply
    3,487.23x = 4,812.72 × 1,995.30
  4. Step 4: Simplify right side
    3,487.23x = 9,602,820.22
  5. Step 5: Solve for x
    x = 9,602,820.22/3,487.23
  6. Step 6: Final answer
    x = 2,753.71

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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.