Home / 3,543.37-4,890.78-2,423.90

Finding the Fourth Proportional to 3,543.37, 4,890.78 and 2,423.90

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Solution

The fourth proportional to 3,543.37, 4,890.78 and 2,423.90 is: 3,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.37 : 4,890.78 = 2,423.90 : x
  2. Step 2: Convert to fraction form
    3,543.37/4,890.78 = 2,423.90/x
  3. Step 3: Cross multiply
    3,543.37x = 4,890.78 × 2,423.90
  4. Step 4: Simplify right side
    3,543.37x = 11,854,761.64
  5. Step 5: Solve for x
    x = 11,854,761.64/3,543.37
  6. Step 6: Final answer
    x = 3,345.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.