Home / 3,130.24-4,696.10-1,485.94

Finding the Fourth Proportional to 3,130.24, 4,696.10 and 1,485.94

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Solution

The fourth proportional to 3,130.24, 4,696.10 and 1,485.94 is: 2,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.24 : 4,696.10 = 1,485.94 : x
  2. Step 2: Convert to fraction form
    3,130.24/4,696.10 = 1,485.94/x
  3. Step 3: Cross multiply
    3,130.24x = 4,696.10 × 1,485.94
  4. Step 4: Simplify right side
    3,130.24x = 6,978,122.83
  5. Step 5: Solve for x
    x = 6,978,122.83/3,130.24
  6. Step 6: Final answer
    x = 2,229.26

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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.