Home / 3,177.51-4,382.10-2,057.28

Finding the Fourth Proportional to 3,177.51, 4,382.10 and 2,057.28

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Solution

The fourth proportional to 3,177.51, 4,382.10 and 2,057.28 is: 2,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.51 : 4,382.10 = 2,057.28 : x
  2. Step 2: Convert to fraction form
    3,177.51/4,382.10 = 2,057.28/x
  3. Step 3: Cross multiply
    3,177.51x = 4,382.10 × 2,057.28
  4. Step 4: Simplify right side
    3,177.51x = 9,015,206.69
  5. Step 5: Solve for x
    x = 9,015,206.69/3,177.51
  6. Step 6: Final answer
    x = 2,837.19

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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.