Home / 3,161.93-4,742.89-1,518.08

Finding the Fourth Proportional to 3,161.93, 4,742.89 and 1,518.08

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Solution

The fourth proportional to 3,161.93, 4,742.89 and 1,518.08 is: 2,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.93 : 4,742.89 = 1,518.08 : x
  2. Step 2: Convert to fraction form
    3,161.93/4,742.89 = 1,518.08/x
  3. Step 3: Cross multiply
    3,161.93x = 4,742.89 × 1,518.08
  4. Step 4: Simplify right side
    3,161.93x = 7,200,058.94
  5. Step 5: Solve for x
    x = 7,200,058.94/3,161.93
  6. Step 6: Final answer
    x = 2,277.11

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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.