Home / 2,556.34-3,829.65-1,677.90

Finding the Fourth Proportional to 2,556.34, 3,829.65 and 1,677.90

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Solution

The fourth proportional to 2,556.34, 3,829.65 and 1,677.90 is: 2,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.34 : 3,829.65 = 1,677.90 : x
  2. Step 2: Convert to fraction form
    2,556.34/3,829.65 = 1,677.90/x
  3. Step 3: Cross multiply
    2,556.34x = 3,829.65 × 1,677.90
  4. Step 4: Simplify right side
    2,556.34x = 6,425,769.74
  5. Step 5: Solve for x
    x = 6,425,769.74/2,556.34
  6. Step 6: Final answer
    x = 2,513.66

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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.