Home / 3,619.04-4,983.16-3,086.76

Finding the Fourth Proportional to 3,619.04, 4,983.16 and 3,086.76

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Solution

The fourth proportional to 3,619.04, 4,983.16 and 3,086.76 is: 4,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.04 : 4,983.16 = 3,086.76 : x
  2. Step 2: Convert to fraction form
    3,619.04/4,983.16 = 3,086.76/x
  3. Step 3: Cross multiply
    3,619.04x = 4,983.16 × 3,086.76
  4. Step 4: Simplify right side
    3,619.04x = 15,381,818.96
  5. Step 5: Solve for x
    x = 15,381,818.96/3,619.04
  6. Step 6: Final answer
    x = 4,250.25

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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.