Home / 3,105.65-4,657.86-1,461.75

Finding the Fourth Proportional to 3,105.65, 4,657.86 and 1,461.75

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Solution

The fourth proportional to 3,105.65, 4,657.86 and 1,461.75 is: 2,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.65 : 4,657.86 = 1,461.75 : x
  2. Step 2: Convert to fraction form
    3,105.65/4,657.86 = 1,461.75/x
  3. Step 3: Cross multiply
    3,105.65x = 4,657.86 × 1,461.75
  4. Step 4: Simplify right side
    3,105.65x = 6,808,626.86
  5. Step 5: Solve for x
    x = 6,808,626.86/3,105.65
  6. Step 6: Final answer
    x = 2,192.34

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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.