Home / 2,171.84-2,997.44-1,508.32

Finding the Fourth Proportional to 2,171.84, 2,997.44 and 1,508.32

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Solution

The fourth proportional to 2,171.84, 2,997.44 and 1,508.32 is: 2,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.84 : 2,997.44 = 1,508.32 : x
  2. Step 2: Convert to fraction form
    2,171.84/2,997.44 = 1,508.32/x
  3. Step 3: Cross multiply
    2,171.84x = 2,997.44 × 1,508.32
  4. Step 4: Simplify right side
    2,171.84x = 4,521,098.70
  5. Step 5: Solve for x
    x = 4,521,098.70/2,171.84
  6. Step 6: Final answer
    x = 2,081.69

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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.