Home / 3,086.07-4,629.69-1,005.90

Finding the Fourth Proportional to 3,086.07, 4,629.69 and 1,005.90

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Solution

The fourth proportional to 3,086.07, 4,629.69 and 1,005.90 is: 1,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.07 : 4,629.69 = 1,005.90 : x
  2. Step 2: Convert to fraction form
    3,086.07/4,629.69 = 1,005.90/x
  3. Step 3: Cross multiply
    3,086.07x = 4,629.69 × 1,005.90
  4. Step 4: Simplify right side
    3,086.07x = 4,657,005.17
  5. Step 5: Solve for x
    x = 4,657,005.17/3,086.07
  6. Step 6: Final answer
    x = 1,509.04

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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.