Home / 4,048.95-5,586.69-3,105.81

Finding the Fourth Proportional to 4,048.95, 5,586.69 and 3,105.81

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Solution

The fourth proportional to 4,048.95, 5,586.69 and 3,105.81 is: 4,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.95 : 5,586.69 = 3,105.81 : x
  2. Step 2: Convert to fraction form
    4,048.95/5,586.69 = 3,105.81/x
  3. Step 3: Cross multiply
    4,048.95x = 5,586.69 × 3,105.81
  4. Step 4: Simplify right side
    4,048.95x = 17,351,197.67
  5. Step 5: Solve for x
    x = 17,351,197.67/4,048.95
  6. Step 6: Final answer
    x = 4,285.36

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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.