Home / 3,419.61-5,127.54-2,309.01

Finding the Fourth Proportional to 3,419.61, 5,127.54 and 2,309.01

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Solution

The fourth proportional to 3,419.61, 5,127.54 and 2,309.01 is: 3,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.61 : 5,127.54 = 2,309.01 : x
  2. Step 2: Convert to fraction form
    3,419.61/5,127.54 = 2,309.01/x
  3. Step 3: Cross multiply
    3,419.61x = 5,127.54 × 2,309.01
  4. Step 4: Simplify right side
    3,419.61x = 11,839,541.14
  5. Step 5: Solve for x
    x = 11,839,541.14/3,419.61
  6. Step 6: Final answer
    x = 3,462.25

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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.