Home / 3,619.47-4,998.98-2,438.49

Finding the Fourth Proportional to 3,619.47, 4,998.98 and 2,438.49

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Solution

The fourth proportional to 3,619.47, 4,998.98 and 2,438.49 is: 3,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.47 : 4,998.98 = 2,438.49 : x
  2. Step 2: Convert to fraction form
    3,619.47/4,998.98 = 2,438.49/x
  3. Step 3: Cross multiply
    3,619.47x = 4,998.98 × 2,438.49
  4. Step 4: Simplify right side
    3,619.47x = 12,189,962.74
  5. Step 5: Solve for x
    x = 12,189,962.74/3,619.47
  6. Step 6: Final answer
    x = 3,367.89

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1.5x scale

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.