Home / 3,435.15-5,153.40-1,243.83

Finding the Fourth Proportional to 3,435.15, 5,153.40 and 1,243.83

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Solution

The fourth proportional to 3,435.15, 5,153.40 and 1,243.83 is: 1,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.15 : 5,153.40 = 1,243.83 : x
  2. Step 2: Convert to fraction form
    3,435.15/5,153.40 = 1,243.83/x
  3. Step 3: Cross multiply
    3,435.15x = 5,153.40 × 1,243.83
  4. Step 4: Simplify right side
    3,435.15x = 6,409,953.52
  5. Step 5: Solve for x
    x = 6,409,953.52/3,435.15
  6. Step 6: Final answer
    x = 1,865.99

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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.