Home / 3,586.47-5,379.69-1,396.73

Finding the Fourth Proportional to 3,586.47, 5,379.69 and 1,396.73

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Solution

The fourth proportional to 3,586.47, 5,379.69 and 1,396.73 is: 2,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.47 : 5,379.69 = 1,396.73 : x
  2. Step 2: Convert to fraction form
    3,586.47/5,379.69 = 1,396.73/x
  3. Step 3: Cross multiply
    3,586.47x = 5,379.69 × 1,396.73
  4. Step 4: Simplify right side
    3,586.47x = 7,513,947.52
  5. Step 5: Solve for x
    x = 7,513,947.52/3,586.47
  6. Step 6: Final answer
    x = 2,095.08

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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.