Home / 2,226.51-3,341.81-1,131.63

Finding the Fourth Proportional to 2,226.51, 3,341.81 and 1,131.63

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Solution

The fourth proportional to 2,226.51, 3,341.81 and 1,131.63 is: 1,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.51 : 3,341.81 = 1,131.63 : x
  2. Step 2: Convert to fraction form
    2,226.51/3,341.81 = 1,131.63/x
  3. Step 3: Cross multiply
    2,226.51x = 3,341.81 × 1,131.63
  4. Step 4: Simplify right side
    2,226.51x = 3,781,686.79
  5. Step 5: Solve for x
    x = 3,781,686.79/2,226.51
  6. Step 6: Final answer
    x = 1,698.48

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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.