Home / 2,902.55-4,346.08-1,668.11

Finding the Fourth Proportional to 2,902.55, 4,346.08 and 1,668.11

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Solution

The fourth proportional to 2,902.55, 4,346.08 and 1,668.11 is: 2,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.55 : 4,346.08 = 1,668.11 : x
  2. Step 2: Convert to fraction form
    2,902.55/4,346.08 = 1,668.11/x
  3. Step 3: Cross multiply
    2,902.55x = 4,346.08 × 1,668.11
  4. Step 4: Simplify right side
    2,902.55x = 7,249,713.61
  5. Step 5: Solve for x
    x = 7,249,713.61/2,902.55
  6. Step 6: Final answer
    x = 2,497.71

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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.