Home / 3,435.86-5,153.64-1,586.36

Finding the Fourth Proportional to 3,435.86, 5,153.64 and 1,586.36

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Solution

The fourth proportional to 3,435.86, 5,153.64 and 1,586.36 is: 2,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.86 : 5,153.64 = 1,586.36 : x
  2. Step 2: Convert to fraction form
    3,435.86/5,153.64 = 1,586.36/x
  3. Step 3: Cross multiply
    3,435.86x = 5,153.64 × 1,586.36
  4. Step 4: Simplify right side
    3,435.86x = 8,175,502.58
  5. Step 5: Solve for x
    x = 8,175,502.58/3,435.86
  6. Step 6: Final answer
    x = 2,379.47

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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.