Home / 3,487.29-4,812.53-1,995.34

Finding the Fourth Proportional to 3,487.29, 4,812.53 and 1,995.34

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Solution

The fourth proportional to 3,487.29, 4,812.53 and 1,995.34 is: 2,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.29 : 4,812.53 = 1,995.34 : x
  2. Step 2: Convert to fraction form
    3,487.29/4,812.53 = 1,995.34/x
  3. Step 3: Cross multiply
    3,487.29x = 4,812.53 × 1,995.34
  4. Step 4: Simplify right side
    3,487.29x = 9,602,633.61
  5. Step 5: Solve for x
    x = 9,602,633.61/3,487.29
  6. Step 6: Final answer
    x = 2,753.61

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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.