Home / 3,623.27-5,002.49-2,782.40

Finding the Fourth Proportional to 3,623.27, 5,002.49 and 2,782.40

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Solution

The fourth proportional to 3,623.27, 5,002.49 and 2,782.40 is: 3,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.27 : 5,002.49 = 2,782.40 : x
  2. Step 2: Convert to fraction form
    3,623.27/5,002.49 = 2,782.40/x
  3. Step 3: Cross multiply
    3,623.27x = 5,002.49 × 2,782.40
  4. Step 4: Simplify right side
    3,623.27x = 13,918,889.25
  5. Step 5: Solve for x
    x = 13,918,889.25/3,623.27
  6. Step 6: Final answer
    x = 3,841.52

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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.