Home / 3,838.98-5,293.83-3,615.70

Finding the Fourth Proportional to 3,838.98, 5,293.83 and 3,615.70

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Solution

The fourth proportional to 3,838.98, 5,293.83 and 3,615.70 is: 4,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.98 : 5,293.83 = 3,615.70 : x
  2. Step 2: Convert to fraction form
    3,838.98/5,293.83 = 3,615.70/x
  3. Step 3: Cross multiply
    3,838.98x = 5,293.83 × 3,615.70
  4. Step 4: Simplify right side
    3,838.98x = 19,140,901.13
  5. Step 5: Solve for x
    x = 19,140,901.13/3,838.98
  6. Step 6: Final answer
    x = 4,985.93

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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.