Home / 3,659.70-5,048.28-2,087.58

Finding the Fourth Proportional to 3,659.70, 5,048.28 and 2,087.58

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Solution

The fourth proportional to 3,659.70, 5,048.28 and 2,087.58 is: 2,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.70 : 5,048.28 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    3,659.70/5,048.28 = 2,087.58/x
  3. Step 3: Cross multiply
    3,659.70x = 5,048.28 × 2,087.58
  4. Step 4: Simplify right side
    3,659.70x = 10,538,688.36
  5. Step 5: Solve for x
    x = 10,538,688.36/3,659.70
  6. Step 6: Final answer
    x = 2,879.66

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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.