Home / 3,022.17-4,170.70-1,695.81

Finding the Fourth Proportional to 3,022.17, 4,170.70 and 1,695.81

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Solution

The fourth proportional to 3,022.17, 4,170.70 and 1,695.81 is: 2,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.17 : 4,170.70 = 1,695.81 : x
  2. Step 2: Convert to fraction form
    3,022.17/4,170.70 = 1,695.81/x
  3. Step 3: Cross multiply
    3,022.17x = 4,170.70 × 1,695.81
  4. Step 4: Simplify right side
    3,022.17x = 7,072,714.77
  5. Step 5: Solve for x
    x = 7,072,714.77/3,022.17
  6. Step 6: Final answer
    x = 2,340.28

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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.