Home / 3,000.43-4,140.62-1,673.92

Finding the Fourth Proportional to 3,000.43, 4,140.62 and 1,673.92

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Solution

The fourth proportional to 3,000.43, 4,140.62 and 1,673.92 is: 2,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.43 : 4,140.62 = 1,673.92 : x
  2. Step 2: Convert to fraction form
    3,000.43/4,140.62 = 1,673.92/x
  3. Step 3: Cross multiply
    3,000.43x = 4,140.62 × 1,673.92
  4. Step 4: Simplify right side
    3,000.43x = 6,931,066.63
  5. Step 5: Solve for x
    x = 6,931,066.63/3,000.43
  6. Step 6: Final answer
    x = 2,310.02

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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.