Home / 2,832.77-3,904.85-2,307.89

Finding the Fourth Proportional to 2,832.77, 3,904.85 and 2,307.89

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Solution

The fourth proportional to 2,832.77, 3,904.85 and 2,307.89 is: 3,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.77 : 3,904.85 = 2,307.89 : x
  2. Step 2: Convert to fraction form
    2,832.77/3,904.85 = 2,307.89/x
  3. Step 3: Cross multiply
    2,832.77x = 3,904.85 × 2,307.89
  4. Step 4: Simplify right side
    2,832.77x = 9,011,952.73
  5. Step 5: Solve for x
    x = 9,011,952.73/2,832.77
  6. Step 6: Final answer
    x = 3,181.32

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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.