Home / 3,807.09-5,712.93-1,343.76

Finding the Fourth Proportional to 3,807.09, 5,712.93 and 1,343.76

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Solution

The fourth proportional to 3,807.09, 5,712.93 and 1,343.76 is: 2,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.09 : 5,712.93 = 1,343.76 : x
  2. Step 2: Convert to fraction form
    3,807.09/5,712.93 = 1,343.76/x
  3. Step 3: Cross multiply
    3,807.09x = 5,712.93 × 1,343.76
  4. Step 4: Simplify right side
    3,807.09x = 7,676,806.82
  5. Step 5: Solve for x
    x = 7,676,806.82/3,807.09
  6. Step 6: Final answer
    x = 2,016.45

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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.