Home / 3,320.29-4,980.45-1,471.43

Finding the Fourth Proportional to 3,320.29, 4,980.45 and 1,471.43

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Solution

The fourth proportional to 3,320.29, 4,980.45 and 1,471.43 is: 2,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.29 : 4,980.45 = 1,471.43 : x
  2. Step 2: Convert to fraction form
    3,320.29/4,980.45 = 1,471.43/x
  3. Step 3: Cross multiply
    3,320.29x = 4,980.45 × 1,471.43
  4. Step 4: Simplify right side
    3,320.29x = 7,328,401.51
  5. Step 5: Solve for x
    x = 7,328,401.51/3,320.29
  6. Step 6: Final answer
    x = 2,207.16

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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.