Home / 2,855.08-4,283.34-1,123.84

Finding the Fourth Proportional to 2,855.08, 4,283.34 and 1,123.84

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Solution

The fourth proportional to 2,855.08, 4,283.34 and 1,123.84 is: 1,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.08 : 4,283.34 = 1,123.84 : x
  2. Step 2: Convert to fraction form
    2,855.08/4,283.34 = 1,123.84/x
  3. Step 3: Cross multiply
    2,855.08x = 4,283.34 × 1,123.84
  4. Step 4: Simplify right side
    2,855.08x = 4,813,788.83
  5. Step 5: Solve for x
    x = 4,813,788.83/2,855.08
  6. Step 6: Final answer
    x = 1,686.04

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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.