Home / 2,896.59-3,997.86-1,637.66

Finding the Fourth Proportional to 2,896.59, 3,997.86 and 1,637.66

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Solution

The fourth proportional to 2,896.59, 3,997.86 and 1,637.66 is: 2,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.59 : 3,997.86 = 1,637.66 : x
  2. Step 2: Convert to fraction form
    2,896.59/3,997.86 = 1,637.66/x
  3. Step 3: Cross multiply
    2,896.59x = 3,997.86 × 1,637.66
  4. Step 4: Simplify right side
    2,896.59x = 6,547,115.42
  5. Step 5: Solve for x
    x = 6,547,115.42/2,896.59
  6. Step 6: Final answer
    x = 2,260.28

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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.