Home / 4,240.85-6,357.40-1,641.83

Finding the Fourth Proportional to 4,240.85, 6,357.40 and 1,641.83

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Solution

The fourth proportional to 4,240.85, 6,357.40 and 1,641.83 is: 2,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.85 : 6,357.40 = 1,641.83 : x
  2. Step 2: Convert to fraction form
    4,240.85/6,357.40 = 1,641.83/x
  3. Step 3: Cross multiply
    4,240.85x = 6,357.40 × 1,641.83
  4. Step 4: Simplify right side
    4,240.85x = 10,437,770.04
  5. Step 5: Solve for x
    x = 10,437,770.04/4,240.85
  6. Step 6: Final answer
    x = 2,461.24

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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.