Home / 2,555.40-3,830.10-2,528.04

Finding the Fourth Proportional to 2,555.40, 3,830.10 and 2,528.04

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Solution

The fourth proportional to 2,555.40, 3,830.10 and 2,528.04 is: 3,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.40 : 3,830.10 = 2,528.04 : x
  2. Step 2: Convert to fraction form
    2,555.40/3,830.10 = 2,528.04/x
  3. Step 3: Cross multiply
    2,555.40x = 3,830.10 × 2,528.04
  4. Step 4: Simplify right side
    2,555.40x = 9,682,646.00
  5. Step 5: Solve for x
    x = 9,682,646.00/2,555.40
  6. Step 6: Final answer
    x = 3,789.09

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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.