Home / 2,431.88-3,648.06-1,133.72

Finding the Fourth Proportional to 2,431.88, 3,648.06 and 1,133.72

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Solution

The fourth proportional to 2,431.88, 3,648.06 and 1,133.72 is: 1,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.88 : 3,648.06 = 1,133.72 : x
  2. Step 2: Convert to fraction form
    2,431.88/3,648.06 = 1,133.72/x
  3. Step 3: Cross multiply
    2,431.88x = 3,648.06 × 1,133.72
  4. Step 4: Simplify right side
    2,431.88x = 4,135,878.58
  5. Step 5: Solve for x
    x = 4,135,878.58/2,431.88
  6. Step 6: Final answer
    x = 1,700.69

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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.