Home / 3,345.68-5,020.96-2,859.68

Finding the Fourth Proportional to 3,345.68, 5,020.96 and 2,859.68

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Solution

The fourth proportional to 3,345.68, 5,020.96 and 2,859.68 is: 4,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.68 : 5,020.96 = 2,859.68 : x
  2. Step 2: Convert to fraction form
    3,345.68/5,020.96 = 2,859.68/x
  3. Step 3: Cross multiply
    3,345.68x = 5,020.96 × 2,859.68
  4. Step 4: Simplify right side
    3,345.68x = 14,358,338.89
  5. Step 5: Solve for x
    x = 14,358,338.89/3,345.68
  6. Step 6: Final answer
    x = 4,291.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.