Home / 2,896.32-3,997.36-1,637.90

Finding the Fourth Proportional to 2,896.32, 3,997.36 and 1,637.90

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Solution

The fourth proportional to 2,896.32, 3,997.36 and 1,637.90 is: 2,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.32 : 3,997.36 = 1,637.90 : x
  2. Step 2: Convert to fraction form
    2,896.32/3,997.36 = 1,637.90/x
  3. Step 3: Cross multiply
    2,896.32x = 3,997.36 × 1,637.90
  4. Step 4: Simplify right side
    2,896.32x = 6,547,275.94
  5. Step 5: Solve for x
    x = 6,547,275.94/2,896.32
  6. Step 6: Final answer
    x = 2,260.55

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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.