Home / 2,808.04-4,208.82-1,764.76

Finding the Fourth Proportional to 2,808.04, 4,208.82 and 1,764.76

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Solution

The fourth proportional to 2,808.04, 4,208.82 and 1,764.76 is: 2,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.04 : 4,208.82 = 1,764.76 : x
  2. Step 2: Convert to fraction form
    2,808.04/4,208.82 = 1,764.76/x
  3. Step 3: Cross multiply
    2,808.04x = 4,208.82 × 1,764.76
  4. Step 4: Simplify right side
    2,808.04x = 7,427,557.18
  5. Step 5: Solve for x
    x = 7,427,557.18/2,808.04
  6. Step 6: Final answer
    x = 2,645.10

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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.