Home / 4,289.70-6,435.16-2,098.55

Finding the Fourth Proportional to 4,289.70, 6,435.16 and 2,098.55

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Solution

The fourth proportional to 4,289.70, 6,435.16 and 2,098.55 is: 3,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.70 : 6,435.16 = 2,098.55 : x
  2. Step 2: Convert to fraction form
    4,289.70/6,435.16 = 2,098.55/x
  3. Step 3: Cross multiply
    4,289.70x = 6,435.16 × 2,098.55
  4. Step 4: Simplify right side
    4,289.70x = 13,504,515.86
  5. Step 5: Solve for x
    x = 13,504,515.86/4,289.70
  6. Step 6: Final answer
    x = 3,148.13

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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.