Home / 1,896.87-2,617.44-1,057.46

Finding the Fourth Proportional to 1,896.87, 2,617.44 and 1,057.46

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Solution

The fourth proportional to 1,896.87, 2,617.44 and 1,057.46 is: 1,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.87 : 2,617.44 = 1,057.46 : x
  2. Step 2: Convert to fraction form
    1,896.87/2,617.44 = 1,057.46/x
  3. Step 3: Cross multiply
    1,896.87x = 2,617.44 × 1,057.46
  4. Step 4: Simplify right side
    1,896.87x = 2,767,844.65
  5. Step 5: Solve for x
    x = 2,767,844.65/1,896.87
  6. Step 6: Final answer
    x = 1,459.16

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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.