Home / 1,997.01-2,758.34-1,410.17

Finding the Fourth Proportional to 1,997.01, 2,758.34 and 1,410.17

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Solution

The fourth proportional to 1,997.01, 2,758.34 and 1,410.17 is: 1,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.01 : 2,758.34 = 1,410.17 : x
  2. Step 2: Convert to fraction form
    1,997.01/2,758.34 = 1,410.17/x
  3. Step 3: Cross multiply
    1,997.01x = 2,758.34 × 1,410.17
  4. Step 4: Simplify right side
    1,997.01x = 3,889,718.05
  5. Step 5: Solve for x
    x = 3,889,718.05/1,997.01
  6. Step 6: Final answer
    x = 1,947.77

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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.