Home / 2,256.88-3,382.59-1,983.51

Finding the Fourth Proportional to 2,256.88, 3,382.59 and 1,983.51

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Solution

The fourth proportional to 2,256.88, 3,382.59 and 1,983.51 is: 2,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.88 : 3,382.59 = 1,983.51 : x
  2. Step 2: Convert to fraction form
    2,256.88/3,382.59 = 1,983.51/x
  3. Step 3: Cross multiply
    2,256.88x = 3,382.59 × 1,983.51
  4. Step 4: Simplify right side
    2,256.88x = 6,709,386.18
  5. Step 5: Solve for x
    x = 6,709,386.18/2,256.88
  6. Step 6: Final answer
    x = 2,972.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.