Home / 4,180.15-5,768.61-2,291.69

Finding the Fourth Proportional to 4,180.15, 5,768.61 and 2,291.69

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Solution

The fourth proportional to 4,180.15, 5,768.61 and 2,291.69 is: 3,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.15 : 5,768.61 = 2,291.69 : x
  2. Step 2: Convert to fraction form
    4,180.15/5,768.61 = 2,291.69/x
  3. Step 3: Cross multiply
    4,180.15x = 5,768.61 × 2,291.69
  4. Step 4: Simplify right side
    4,180.15x = 13,219,880.99
  5. Step 5: Solve for x
    x = 13,219,880.99/4,180.15
  6. Step 6: Final answer
    x = 3,162.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.