Home / 3,365.15-4,644.14-1,948.86

Finding the Fourth Proportional to 3,365.15, 4,644.14 and 1,948.86

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Solution

The fourth proportional to 3,365.15, 4,644.14 and 1,948.86 is: 2,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.15 : 4,644.14 = 1,948.86 : x
  2. Step 2: Convert to fraction form
    3,365.15/4,644.14 = 1,948.86/x
  3. Step 3: Cross multiply
    3,365.15x = 4,644.14 × 1,948.86
  4. Step 4: Simplify right side
    3,365.15x = 9,050,768.94
  5. Step 5: Solve for x
    x = 9,050,768.94/3,365.15
  6. Step 6: Final answer
    x = 2,689.56

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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.