Home / 3,506.20-5,261.70-1,946.20

Finding the Fourth Proportional to 3,506.20, 5,261.70 and 1,946.20

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Solution

The fourth proportional to 3,506.20, 5,261.70 and 1,946.20 is: 2,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.20 : 5,261.70 = 1,946.20 : x
  2. Step 2: Convert to fraction form
    3,506.20/5,261.70 = 1,946.20/x
  3. Step 3: Cross multiply
    3,506.20x = 5,261.70 × 1,946.20
  4. Step 4: Simplify right side
    3,506.20x = 10,240,320.54
  5. Step 5: Solve for x
    x = 10,240,320.54/3,506.20
  6. Step 6: Final answer
    x = 2,920.63

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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.