Home / 3,313.80-4,970.70-2,818.08

Finding the Fourth Proportional to 3,313.80, 4,970.70 and 2,818.08

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Solution

The fourth proportional to 3,313.80, 4,970.70 and 2,818.08 is: 4,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.80 : 4,970.70 = 2,818.08 : x
  2. Step 2: Convert to fraction form
    3,313.80/4,970.70 = 2,818.08/x
  3. Step 3: Cross multiply
    3,313.80x = 4,970.70 × 2,818.08
  4. Step 4: Simplify right side
    3,313.80x = 14,007,830.26
  5. Step 5: Solve for x
    x = 14,007,830.26/3,313.80
  6. Step 6: Final answer
    x = 4,227.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.