Home / 3,586.20-5,379.38-1,246.28

Finding the Fourth Proportional to 3,586.20, 5,379.38 and 1,246.28

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Solution

The fourth proportional to 3,586.20, 5,379.38 and 1,246.28 is: 1,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.20 : 5,379.38 = 1,246.28 : x
  2. Step 2: Convert to fraction form
    3,586.20/5,379.38 = 1,246.28/x
  3. Step 3: Cross multiply
    3,586.20x = 5,379.38 × 1,246.28
  4. Step 4: Simplify right side
    3,586.20x = 6,704,213.71
  5. Step 5: Solve for x
    x = 6,704,213.71/3,586.20
  6. Step 6: Final answer
    x = 1,869.45

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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.