Home / 3,080.08-4,619.76-1,028.08

Finding the Fourth Proportional to 3,080.08, 4,619.76 and 1,028.08

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Solution

The fourth proportional to 3,080.08, 4,619.76 and 1,028.08 is: 1,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.08 : 4,619.76 = 1,028.08 : x
  2. Step 2: Convert to fraction form
    3,080.08/4,619.76 = 1,028.08/x
  3. Step 3: Cross multiply
    3,080.08x = 4,619.76 × 1,028.08
  4. Step 4: Simplify right side
    3,080.08x = 4,749,482.86
  5. Step 5: Solve for x
    x = 4,749,482.86/3,080.08
  6. Step 6: Final answer
    x = 1,542.00

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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.