Home / 3,141.04-4,709.40-1,291.60

Finding the Fourth Proportional to 3,141.04, 4,709.40 and 1,291.60

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Solution

The fourth proportional to 3,141.04, 4,709.40 and 1,291.60 is: 1,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.04 : 4,709.40 = 1,291.60 : x
  2. Step 2: Convert to fraction form
    3,141.04/4,709.40 = 1,291.60/x
  3. Step 3: Cross multiply
    3,141.04x = 4,709.40 × 1,291.60
  4. Step 4: Simplify right side
    3,141.04x = 6,082,661.04
  5. Step 5: Solve for x
    x = 6,082,661.04/3,141.04
  6. Step 6: Final answer
    x = 1,936.51

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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.