Home / 3,586.06-5,381.52-1,246.78

Finding the Fourth Proportional to 3,586.06, 5,381.52 and 1,246.78

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Solution

The fourth proportional to 3,586.06, 5,381.52 and 1,246.78 is: 1,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.06 : 5,381.52 = 1,246.78 : x
  2. Step 2: Convert to fraction form
    3,586.06/5,381.52 = 1,246.78/x
  3. Step 3: Cross multiply
    3,586.06x = 5,381.52 × 1,246.78
  4. Step 4: Simplify right side
    3,586.06x = 6,709,571.51
  5. Step 5: Solve for x
    x = 6,709,571.51/3,586.06
  6. Step 6: Final answer
    x = 1,871.01

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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.