Home / 2,555.10-3,830.40-1,512.54

Finding the Fourth Proportional to 2,555.10, 3,830.40 and 1,512.54

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Solution

The fourth proportional to 2,555.10, 3,830.40 and 1,512.54 is: 2,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.10 : 3,830.40 = 1,512.54 : x
  2. Step 2: Convert to fraction form
    2,555.10/3,830.40 = 1,512.54/x
  3. Step 3: Cross multiply
    2,555.10x = 3,830.40 × 1,512.54
  4. Step 4: Simplify right side
    2,555.10x = 5,793,633.22
  5. Step 5: Solve for x
    x = 5,793,633.22/2,555.10
  6. Step 6: Final answer
    x = 2,267.48

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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.