Home / 2,134.39-2,945.84-1,695.64

Finding the Fourth Proportional to 2,134.39, 2,945.84 and 1,695.64

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Solution

The fourth proportional to 2,134.39, 2,945.84 and 1,695.64 is: 2,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.39 : 2,945.84 = 1,695.64 : x
  2. Step 2: Convert to fraction form
    2,134.39/2,945.84 = 1,695.64/x
  3. Step 3: Cross multiply
    2,134.39x = 2,945.84 × 1,695.64
  4. Step 4: Simplify right side
    2,134.39x = 4,995,084.14
  5. Step 5: Solve for x
    x = 4,995,084.14/2,134.39
  6. Step 6: Final answer
    x = 2,340.29

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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.