Home / 2,788.02-3,848.34-1,609.92

Finding the Fourth Proportional to 2,788.02, 3,848.34 and 1,609.92

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Solution

The fourth proportional to 2,788.02, 3,848.34 and 1,609.92 is: 2,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.02 : 3,848.34 = 1,609.92 : x
  2. Step 2: Convert to fraction form
    2,788.02/3,848.34 = 1,609.92/x
  3. Step 3: Cross multiply
    2,788.02x = 3,848.34 × 1,609.92
  4. Step 4: Simplify right side
    2,788.02x = 6,195,519.53
  5. Step 5: Solve for x
    x = 6,195,519.53/2,788.02
  6. Step 6: Final answer
    x = 2,222.19

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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.