Home / 3,260.39-4,890.95-1,505.46

Finding the Fourth Proportional to 3,260.39, 4,890.95 and 1,505.46

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Solution

The fourth proportional to 3,260.39, 4,890.95 and 1,505.46 is: 2,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.39 : 4,890.95 = 1,505.46 : x
  2. Step 2: Convert to fraction form
    3,260.39/4,890.95 = 1,505.46/x
  3. Step 3: Cross multiply
    3,260.39x = 4,890.95 × 1,505.46
  4. Step 4: Simplify right side
    3,260.39x = 7,363,122.06
  5. Step 5: Solve for x
    x = 7,363,122.06/3,260.39
  6. Step 6: Final answer
    x = 2,258.36

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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.