Home / 2,684.48-4,025.07-2,455.29

Finding the Fourth Proportional to 2,684.48, 4,025.07 and 2,455.29

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Solution

The fourth proportional to 2,684.48, 4,025.07 and 2,455.29 is: 3,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.48 : 4,025.07 = 2,455.29 : x
  2. Step 2: Convert to fraction form
    2,684.48/4,025.07 = 2,455.29/x
  3. Step 3: Cross multiply
    2,684.48x = 4,025.07 × 2,455.29
  4. Step 4: Simplify right side
    2,684.48x = 9,882,714.12
  5. Step 5: Solve for x
    x = 9,882,714.12/2,684.48
  6. Step 6: Final answer
    x = 3,681.43

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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.