Home / 3,518.49-5,277.78-2,056.65

Finding the Fourth Proportional to 3,518.49, 5,277.78 and 2,056.65

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Solution

The fourth proportional to 3,518.49, 5,277.78 and 2,056.65 is: 3,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.49 : 5,277.78 = 2,056.65 : x
  2. Step 2: Convert to fraction form
    3,518.49/5,277.78 = 2,056.65/x
  3. Step 3: Cross multiply
    3,518.49x = 5,277.78 × 2,056.65
  4. Step 4: Simplify right side
    3,518.49x = 10,854,546.24
  5. Step 5: Solve for x
    x = 10,854,546.24/3,518.49
  6. Step 6: Final answer
    x = 3,085.00

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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.