Home / 3,289.98-4,540.47-1,798.11

Finding the Fourth Proportional to 3,289.98, 4,540.47 and 1,798.11

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Solution

The fourth proportional to 3,289.98, 4,540.47 and 1,798.11 is: 2,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.98 : 4,540.47 = 1,798.11 : x
  2. Step 2: Convert to fraction form
    3,289.98/4,540.47 = 1,798.11/x
  3. Step 3: Cross multiply
    3,289.98x = 4,540.47 × 1,798.11
  4. Step 4: Simplify right side
    3,289.98x = 8,164,264.51
  5. Step 5: Solve for x
    x = 8,164,264.51/3,289.98
  6. Step 6: Final answer
    x = 2,481.56

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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.