Home / 3,586.21-5,376.96-1,395.16

Finding the Fourth Proportional to 3,586.21, 5,376.96 and 1,395.16

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Solution

The fourth proportional to 3,586.21, 5,376.96 and 1,395.16 is: 2,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.21 : 5,376.96 = 1,395.16 : x
  2. Step 2: Convert to fraction form
    3,586.21/5,376.96 = 1,395.16/x
  3. Step 3: Cross multiply
    3,586.21x = 5,376.96 × 1,395.16
  4. Step 4: Simplify right side
    3,586.21x = 7,501,719.51
  5. Step 5: Solve for x
    x = 7,501,719.51/3,586.21
  6. Step 6: Final answer
    x = 2,091.82

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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.