Home / 3,656.49-5,488.63-2,971.43

Finding the Fourth Proportional to 3,656.49, 5,488.63 and 2,971.43

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Solution

The fourth proportional to 3,656.49, 5,488.63 and 2,971.43 is: 4,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.49 : 5,488.63 = 2,971.43 : x
  2. Step 2: Convert to fraction form
    3,656.49/5,488.63 = 2,971.43/x
  3. Step 3: Cross multiply
    3,656.49x = 5,488.63 × 2,971.43
  4. Step 4: Simplify right side
    3,656.49x = 16,309,079.84
  5. Step 5: Solve for x
    x = 16,309,079.84/3,656.49
  6. Step 6: Final answer
    x = 4,460.31

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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.