Home / 2,896.62-3,997.32-1,570.30

Finding the Fourth Proportional to 2,896.62, 3,997.32 and 1,570.30

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Solution

The fourth proportional to 2,896.62, 3,997.32 and 1,570.30 is: 2,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.62 : 3,997.32 = 1,570.30 : x
  2. Step 2: Convert to fraction form
    2,896.62/3,997.32 = 1,570.30/x
  3. Step 3: Cross multiply
    2,896.62x = 3,997.32 × 1,570.30
  4. Step 4: Simplify right side
    2,896.62x = 6,276,991.60
  5. Step 5: Solve for x
    x = 6,276,991.60/2,896.62
  6. Step 6: Final answer
    x = 2,167.01

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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.