Home / 3,610.76-4,983.70-2,118.74

Finding the Fourth Proportional to 3,610.76, 4,983.70 and 2,118.74

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Solution

The fourth proportional to 3,610.76, 4,983.70 and 2,118.74 is: 2,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.76 : 4,983.70 = 2,118.74 : x
  2. Step 2: Convert to fraction form
    3,610.76/4,983.70 = 2,118.74/x
  3. Step 3: Cross multiply
    3,610.76x = 4,983.70 × 2,118.74
  4. Step 4: Simplify right side
    3,610.76x = 10,559,164.54
  5. Step 5: Solve for x
    x = 10,559,164.54/3,610.76
  6. Step 6: Final answer
    x = 2,924.36

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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.