Home / 3,345.43-4,620.48-2,281.38

Finding the Fourth Proportional to 3,345.43, 4,620.48 and 2,281.38

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Solution

The fourth proportional to 3,345.43, 4,620.48 and 2,281.38 is: 3,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.43 : 4,620.48 = 2,281.38 : x
  2. Step 2: Convert to fraction form
    3,345.43/4,620.48 = 2,281.38/x
  3. Step 3: Cross multiply
    3,345.43x = 4,620.48 × 2,281.38
  4. Step 4: Simplify right side
    3,345.43x = 10,541,070.66
  5. Step 5: Solve for x
    x = 10,541,070.66/3,345.43
  6. Step 6: Final answer
    x = 3,150.89

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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.