Home / 3,580.13-4,929.54-3,181.08

Finding the Fourth Proportional to 3,580.13, 4,929.54 and 3,181.08

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Solution

The fourth proportional to 3,580.13, 4,929.54 and 3,181.08 is: 4,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.13 : 4,929.54 = 3,181.08 : x
  2. Step 2: Convert to fraction form
    3,580.13/4,929.54 = 3,181.08/x
  3. Step 3: Cross multiply
    3,580.13x = 4,929.54 × 3,181.08
  4. Step 4: Simplify right side
    3,580.13x = 15,681,261.10
  5. Step 5: Solve for x
    x = 15,681,261.10/3,580.13
  6. Step 6: Final answer
    x = 4,380.09

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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.