Home / 3,505.77-5,258.84-1,313.73

Finding the Fourth Proportional to 3,505.77, 5,258.84 and 1,313.73

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Solution

The fourth proportional to 3,505.77, 5,258.84 and 1,313.73 is: 1,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.77 : 5,258.84 = 1,313.73 : x
  2. Step 2: Convert to fraction form
    3,505.77/5,258.84 = 1,313.73/x
  3. Step 3: Cross multiply
    3,505.77x = 5,258.84 × 1,313.73
  4. Step 4: Simplify right side
    3,505.77x = 6,908,689.30
  5. Step 5: Solve for x
    x = 6,908,689.30/3,505.77
  6. Step 6: Final answer
    x = 1,970.66

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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.