Home / 3,345.62-4,612.52-2,745.90

Finding the Fourth Proportional to 3,345.62, 4,612.52 and 2,745.90

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Solution

The fourth proportional to 3,345.62, 4,612.52 and 2,745.90 is: 3,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.62 : 4,612.52 = 2,745.90 : x
  2. Step 2: Convert to fraction form
    3,345.62/4,612.52 = 2,745.90/x
  3. Step 3: Cross multiply
    3,345.62x = 4,612.52 × 2,745.90
  4. Step 4: Simplify right side
    3,345.62x = 12,665,518.67
  5. Step 5: Solve for x
    x = 12,665,518.67/3,345.62
  6. Step 6: Final answer
    x = 3,785.70

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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.