Home / 3,946.85-5,920.13-1,025.18

Finding the Fourth Proportional to 3,946.85, 5,920.13 and 1,025.18

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Solution

The fourth proportional to 3,946.85, 5,920.13 and 1,025.18 is: 1,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.85 : 5,920.13 = 1,025.18 : x
  2. Step 2: Convert to fraction form
    3,946.85/5,920.13 = 1,025.18/x
  3. Step 3: Cross multiply
    3,946.85x = 5,920.13 × 1,025.18
  4. Step 4: Simplify right side
    3,946.85x = 6,069,171.84
  5. Step 5: Solve for x
    x = 6,069,171.84/3,946.85
  6. Step 6: Final answer
    x = 1,537.73

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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.