Home / 3,505.24-5,258.34-1,283.78

Finding the Fourth Proportional to 3,505.24, 5,258.34 and 1,283.78

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Solution

The fourth proportional to 3,505.24, 5,258.34 and 1,283.78 is: 1,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.24 : 5,258.34 = 1,283.78 : x
  2. Step 2: Convert to fraction form
    3,505.24/5,258.34 = 1,283.78/x
  3. Step 3: Cross multiply
    3,505.24x = 5,258.34 × 1,283.78
  4. Step 4: Simplify right side
    3,505.24x = 6,750,564.87
  5. Step 5: Solve for x
    x = 6,750,564.87/3,505.24
  6. Step 6: Final answer
    x = 1,925.85

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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.