Home / 3,505.48-5,258.12-1,286.08

Finding the Fourth Proportional to 3,505.48, 5,258.12 and 1,286.08

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Solution

The fourth proportional to 3,505.48, 5,258.12 and 1,286.08 is: 1,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.48 : 5,258.12 = 1,286.08 : x
  2. Step 2: Convert to fraction form
    3,505.48/5,258.12 = 1,286.08/x
  3. Step 3: Cross multiply
    3,505.48x = 5,258.12 × 1,286.08
  4. Step 4: Simplify right side
    3,505.48x = 6,762,343.39
  5. Step 5: Solve for x
    x = 6,762,343.39/3,505.48
  6. Step 6: Final answer
    x = 1,929.08

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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.