Home / 3,620.30-4,983.37-3,153.74

Finding the Fourth Proportional to 3,620.30, 4,983.37 and 3,153.74

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Solution

The fourth proportional to 3,620.30, 4,983.37 and 3,153.74 is: 4,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.30 : 4,983.37 = 3,153.74 : x
  2. Step 2: Convert to fraction form
    3,620.30/4,983.37 = 3,153.74/x
  3. Step 3: Cross multiply
    3,620.30x = 4,983.37 × 3,153.74
  4. Step 4: Simplify right side
    3,620.30x = 15,716,220.50
  5. Step 5: Solve for x
    x = 15,716,220.50/3,620.30
  6. Step 6: Final answer
    x = 4,341.14

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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.