Home / 4,171.57-6,259.83-1,540.91

Finding the Fourth Proportional to 4,171.57, 6,259.83 and 1,540.91

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Solution

The fourth proportional to 4,171.57, 6,259.83 and 1,540.91 is: 2,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.57 : 6,259.83 = 1,540.91 : x
  2. Step 2: Convert to fraction form
    4,171.57/6,259.83 = 1,540.91/x
  3. Step 3: Cross multiply
    4,171.57x = 6,259.83 × 1,540.91
  4. Step 4: Simplify right side
    4,171.57x = 9,645,834.65
  5. Step 5: Solve for x
    x = 9,645,834.65/4,171.57
  6. Step 6: Final answer
    x = 2,312.28

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1.5x scale

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.