Home / 3,210.63-4,416.80-2,619.87

Finding the Fourth Proportional to 3,210.63, 4,416.80 and 2,619.87

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Solution

The fourth proportional to 3,210.63, 4,416.80 and 2,619.87 is: 3,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.63 : 4,416.80 = 2,619.87 : x
  2. Step 2: Convert to fraction form
    3,210.63/4,416.80 = 2,619.87/x
  3. Step 3: Cross multiply
    3,210.63x = 4,416.80 × 2,619.87
  4. Step 4: Simplify right side
    3,210.63x = 11,571,428.72
  5. Step 5: Solve for x
    x = 11,571,428.72/3,210.63
  6. Step 6: Final answer
    x = 3,604.10

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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.