Home / 2,230.51-3,347.81-1,135.63

Finding the Fourth Proportional to 2,230.51, 3,347.81 and 1,135.63

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Solution

The fourth proportional to 2,230.51, 3,347.81 and 1,135.63 is: 1,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.51 : 3,347.81 = 1,135.63 : x
  2. Step 2: Convert to fraction form
    2,230.51/3,347.81 = 1,135.63/x
  3. Step 3: Cross multiply
    2,230.51x = 3,347.81 × 1,135.63
  4. Step 4: Simplify right side
    2,230.51x = 3,801,867.79
  5. Step 5: Solve for x
    x = 3,801,867.79/2,230.51
  6. Step 6: Final answer
    x = 1,704.48

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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.