Home / 3,045.80-4,203.16-1,648.54

Finding the Fourth Proportional to 3,045.80, 4,203.16 and 1,648.54

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Solution

The fourth proportional to 3,045.80, 4,203.16 and 1,648.54 is: 2,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.80 : 4,203.16 = 1,648.54 : x
  2. Step 2: Convert to fraction form
    3,045.80/4,203.16 = 1,648.54/x
  3. Step 3: Cross multiply
    3,045.80x = 4,203.16 × 1,648.54
  4. Step 4: Simplify right side
    3,045.80x = 6,929,077.39
  5. Step 5: Solve for x
    x = 6,929,077.39/3,045.80
  6. Step 6: Final answer
    x = 2,274.96

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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.