Home / 3,679.02-5,078.85-2,506.24

Finding the Fourth Proportional to 3,679.02, 5,078.85 and 2,506.24

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Solution

The fourth proportional to 3,679.02, 5,078.85 and 2,506.24 is: 3,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.02 : 5,078.85 = 2,506.24 : x
  2. Step 2: Convert to fraction form
    3,679.02/5,078.85 = 2,506.24/x
  3. Step 3: Cross multiply
    3,679.02x = 5,078.85 × 2,506.24
  4. Step 4: Simplify right side
    3,679.02x = 12,728,828.07
  5. Step 5: Solve for x
    x = 12,728,828.07/3,679.02
  6. Step 6: Final answer
    x = 3,459.84

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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.