Home / 3,509.97-5,254.01-2,985.09

Finding the Fourth Proportional to 3,509.97, 5,254.01 and 2,985.09

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Solution

The fourth proportional to 3,509.97, 5,254.01 and 2,985.09 is: 4,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.97 : 5,254.01 = 2,985.09 : x
  2. Step 2: Convert to fraction form
    3,509.97/5,254.01 = 2,985.09/x
  3. Step 3: Cross multiply
    3,509.97x = 5,254.01 × 2,985.09
  4. Step 4: Simplify right side
    3,509.97x = 15,683,677.79
  5. Step 5: Solve for x
    x = 15,683,677.79/3,509.97
  6. Step 6: Final answer
    x = 4,468.32

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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.