Home / 2,251.24-3,106.73-1,256.51

Finding the Fourth Proportional to 2,251.24, 3,106.73 and 1,256.51

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Solution

The fourth proportional to 2,251.24, 3,106.73 and 1,256.51 is: 1,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.24 : 3,106.73 = 1,256.51 : x
  2. Step 2: Convert to fraction form
    2,251.24/3,106.73 = 1,256.51/x
  3. Step 3: Cross multiply
    2,251.24x = 3,106.73 × 1,256.51
  4. Step 4: Simplify right side
    2,251.24x = 3,903,637.31
  5. Step 5: Solve for x
    x = 3,903,637.31/2,251.24
  6. Step 6: Final answer
    x = 1,733.99

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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.