Home / 3,542.87-4,890.09-2,423.40

Finding the Fourth Proportional to 3,542.87, 4,890.09 and 2,423.40

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Solution

The fourth proportional to 3,542.87, 4,890.09 and 2,423.40 is: 3,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.87 : 4,890.09 = 2,423.40 : x
  2. Step 2: Convert to fraction form
    3,542.87/4,890.09 = 2,423.40/x
  3. Step 3: Cross multiply
    3,542.87x = 4,890.09 × 2,423.40
  4. Step 4: Simplify right side
    3,542.87x = 11,850,644.11
  5. Step 5: Solve for x
    x = 11,850,644.11/3,542.87
  6. Step 6: Final answer
    x = 3,344.93

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1.5x scale

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.