Home / 3,995.46-5,997.51-1,688.58

Finding the Fourth Proportional to 3,995.46, 5,997.51 and 1,688.58

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Solution

The fourth proportional to 3,995.46, 5,997.51 and 1,688.58 is: 2,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.46 : 5,997.51 = 1,688.58 : x
  2. Step 2: Convert to fraction form
    3,995.46/5,997.51 = 1,688.58/x
  3. Step 3: Cross multiply
    3,995.46x = 5,997.51 × 1,688.58
  4. Step 4: Simplify right side
    3,995.46x = 10,127,275.44
  5. Step 5: Solve for x
    x = 10,127,275.44/3,995.46
  6. Step 6: Final answer
    x = 2,534.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.