Home / 2,829.96-3,907.26-1,769.34

Finding the Fourth Proportional to 2,829.96, 3,907.26 and 1,769.34

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Solution

The fourth proportional to 2,829.96, 3,907.26 and 1,769.34 is: 2,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.96 : 3,907.26 = 1,769.34 : x
  2. Step 2: Convert to fraction form
    2,829.96/3,907.26 = 1,769.34/x
  3. Step 3: Cross multiply
    2,829.96x = 3,907.26 × 1,769.34
  4. Step 4: Simplify right side
    2,829.96x = 6,913,271.41
  5. Step 5: Solve for x
    x = 6,913,271.41/2,829.96
  6. Step 6: Final answer
    x = 2,442.89

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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.