Home / 3,020.45-4,165.49-1,957.14

Finding the Fourth Proportional to 3,020.45, 4,165.49 and 1,957.14

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Solution

The fourth proportional to 3,020.45, 4,165.49 and 1,957.14 is: 2,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.45 : 4,165.49 = 1,957.14 : x
  2. Step 2: Convert to fraction form
    3,020.45/4,165.49 = 1,957.14/x
  3. Step 3: Cross multiply
    3,020.45x = 4,165.49 × 1,957.14
  4. Step 4: Simplify right side
    3,020.45x = 8,152,447.10
  5. Step 5: Solve for x
    x = 8,152,447.10/3,020.45
  6. Step 6: Final answer
    x = 2,699.08

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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.