Home / 2,791.42-3,852.63-1,613.17

Finding the Fourth Proportional to 2,791.42, 3,852.63 and 1,613.17

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Solution

The fourth proportional to 2,791.42, 3,852.63 and 1,613.17 is: 2,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.42 : 3,852.63 = 1,613.17 : x
  2. Step 2: Convert to fraction form
    2,791.42/3,852.63 = 1,613.17/x
  3. Step 3: Cross multiply
    2,791.42x = 3,852.63 × 1,613.17
  4. Step 4: Simplify right side
    2,791.42x = 6,214,951.95
  5. Step 5: Solve for x
    x = 6,214,951.95/2,791.42
  6. Step 6: Final answer
    x = 2,226.45

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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.