Home / 2,733.35-3,774.40-2,142.86

Finding the Fourth Proportional to 2,733.35, 3,774.40 and 2,142.86

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Solution

The fourth proportional to 2,733.35, 3,774.40 and 2,142.86 is: 2,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.35 : 3,774.40 = 2,142.86 : x
  2. Step 2: Convert to fraction form
    2,733.35/3,774.40 = 2,142.86/x
  3. Step 3: Cross multiply
    2,733.35x = 3,774.40 × 2,142.86
  4. Step 4: Simplify right side
    2,733.35x = 8,087,986.55
  5. Step 5: Solve for x
    x = 8,087,986.55/2,733.35
  6. Step 6: Final answer
    x = 2,959.01

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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.