Home / 2,171.07-2,995.25-1,374.17

Finding the Fourth Proportional to 2,171.07, 2,995.25 and 1,374.17

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Solution

The fourth proportional to 2,171.07, 2,995.25 and 1,374.17 is: 1,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.07 : 2,995.25 = 1,374.17 : x
  2. Step 2: Convert to fraction form
    2,171.07/2,995.25 = 1,374.17/x
  3. Step 3: Cross multiply
    2,171.07x = 2,995.25 × 1,374.17
  4. Step 4: Simplify right side
    2,171.07x = 4,115,960.85
  5. Step 5: Solve for x
    x = 4,115,960.85/2,171.07
  6. Step 6: Final answer
    x = 1,895.82

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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.