Home / 3,615.84-5,429.96-2,237.36

Finding the Fourth Proportional to 3,615.84, 5,429.96 and 2,237.36

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Solution

The fourth proportional to 3,615.84, 5,429.96 and 2,237.36 is: 3,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.84 : 5,429.96 = 2,237.36 : x
  2. Step 2: Convert to fraction form
    3,615.84/5,429.96 = 2,237.36/x
  3. Step 3: Cross multiply
    3,615.84x = 5,429.96 × 2,237.36
  4. Step 4: Simplify right side
    3,615.84x = 12,148,775.31
  5. Step 5: Solve for x
    x = 12,148,775.31/3,615.84
  6. Step 6: Final answer
    x = 3,359.88

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1.5x scale

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.