Home / 3,114.39-4,648.79-2,745.35

Finding the Fourth Proportional to 3,114.39, 4,648.79 and 2,745.35

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Solution

The fourth proportional to 3,114.39, 4,648.79 and 2,745.35 is: 4,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.39 : 4,648.79 = 2,745.35 : x
  2. Step 2: Convert to fraction form
    3,114.39/4,648.79 = 2,745.35/x
  3. Step 3: Cross multiply
    3,114.39x = 4,648.79 × 2,745.35
  4. Step 4: Simplify right side
    3,114.39x = 12,762,518.66
  5. Step 5: Solve for x
    x = 12,762,518.66/3,114.39
  6. Step 6: Final answer
    x = 4,097.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.