Home / 3,365.24-5,051.60-1,981.14

Finding the Fourth Proportional to 3,365.24, 5,051.60 and 1,981.14

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Solution

The fourth proportional to 3,365.24, 5,051.60 and 1,981.14 is: 2,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.24 : 5,051.60 = 1,981.14 : x
  2. Step 2: Convert to fraction form
    3,365.24/5,051.60 = 1,981.14/x
  3. Step 3: Cross multiply
    3,365.24x = 5,051.60 × 1,981.14
  4. Step 4: Simplify right side
    3,365.24x = 10,007,916.92
  5. Step 5: Solve for x
    x = 10,007,916.92/3,365.24
  6. Step 6: Final answer
    x = 2,973.91

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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.