Home / 2,540.03-3,809.23-1,307.27

Finding the Fourth Proportional to 2,540.03, 3,809.23 and 1,307.27

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Solution

The fourth proportional to 2,540.03, 3,809.23 and 1,307.27 is: 1,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.03 : 3,809.23 = 1,307.27 : x
  2. Step 2: Convert to fraction form
    2,540.03/3,809.23 = 1,307.27/x
  3. Step 3: Cross multiply
    2,540.03x = 3,809.23 × 1,307.27
  4. Step 4: Simplify right side
    2,540.03x = 4,979,698.36
  5. Step 5: Solve for x
    x = 4,979,698.36/2,540.03
  6. Step 6: Final answer
    x = 1,960.49

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1.5x scale

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.