Home / 3,586.37-5,379.53-2,124.47

Finding the Fourth Proportional to 3,586.37, 5,379.53 and 2,124.47

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Solution

The fourth proportional to 3,586.37, 5,379.53 and 2,124.47 is: 3,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.37 : 5,379.53 = 2,124.47 : x
  2. Step 2: Convert to fraction form
    3,586.37/5,379.53 = 2,124.47/x
  3. Step 3: Cross multiply
    3,586.37x = 5,379.53 × 2,124.47
  4. Step 4: Simplify right side
    3,586.37x = 11,428,639.48
  5. Step 5: Solve for x
    x = 11,428,639.48/3,586.37
  6. Step 6: Final answer
    x = 3,186.69

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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.