Home / 2,771.06-3,821.65-2,397.92

Finding the Fourth Proportional to 2,771.06, 3,821.65 and 2,397.92

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Solution

The fourth proportional to 2,771.06, 3,821.65 and 2,397.92 is: 3,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.06 : 3,821.65 = 2,397.92 : x
  2. Step 2: Convert to fraction form
    2,771.06/3,821.65 = 2,397.92/x
  3. Step 3: Cross multiply
    2,771.06x = 3,821.65 × 2,397.92
  4. Step 4: Simplify right side
    2,771.06x = 9,163,985.86
  5. Step 5: Solve for x
    x = 9,163,985.86/2,771.06
  6. Step 6: Final answer
    x = 3,307.04

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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.