Home / 3,290.10-4,928.63-1,727.76

Finding the Fourth Proportional to 3,290.10, 4,928.63 and 1,727.76

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Solution

The fourth proportional to 3,290.10, 4,928.63 and 1,727.76 is: 2,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.10 : 4,928.63 = 1,727.76 : x
  2. Step 2: Convert to fraction form
    3,290.10/4,928.63 = 1,727.76/x
  3. Step 3: Cross multiply
    3,290.10x = 4,928.63 × 1,727.76
  4. Step 4: Simplify right side
    3,290.10x = 8,515,465.13
  5. Step 5: Solve for x
    x = 8,515,465.13/3,290.10
  6. Step 6: Final answer
    x = 2,588.21

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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.