Home / 3,319.62-4,585.11-2,421.96

Finding the Fourth Proportional to 3,319.62, 4,585.11 and 2,421.96

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Solution

The fourth proportional to 3,319.62, 4,585.11 and 2,421.96 is: 3,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.62 : 4,585.11 = 2,421.96 : x
  2. Step 2: Convert to fraction form
    3,319.62/4,585.11 = 2,421.96/x
  3. Step 3: Cross multiply
    3,319.62x = 4,585.11 × 2,421.96
  4. Step 4: Simplify right side
    3,319.62x = 11,104,953.02
  5. Step 5: Solve for x
    x = 11,104,953.02/3,319.62
  6. Step 6: Final answer
    x = 3,345.25

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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.