Home / 3,536.28-4,880.40-2,139

Finding the Fourth Proportional to 3,536.28, 4,880.40 and 2,139

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Solution

The fourth proportional to 3,536.28, 4,880.40 and 2,139 is: 2,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.28 : 4,880.40 = 2,139 : x
  2. Step 2: Convert to fraction form
    3,536.28/4,880.40 = 2,139/x
  3. Step 3: Cross multiply
    3,536.28x = 4,880.40 × 2,139
  4. Step 4: Simplify right side
    3,536.28x = 10,439,175.60
  5. Step 5: Solve for x
    x = 10,439,175.60/3,536.28
  6. Step 6: Final answer
    x = 2,952.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.