Home / 2,068.40-3,102.60-1,946.90

Finding the Fourth Proportional to 2,068.40, 3,102.60 and 1,946.90

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Solution

The fourth proportional to 2,068.40, 3,102.60 and 1,946.90 is: 2,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.40 : 3,102.60 = 1,946.90 : x
  2. Step 2: Convert to fraction form
    2,068.40/3,102.60 = 1,946.90/x
  3. Step 3: Cross multiply
    2,068.40x = 3,102.60 × 1,946.90
  4. Step 4: Simplify right side
    2,068.40x = 6,040,451.94
  5. Step 5: Solve for x
    x = 6,040,451.94/2,068.40
  6. Step 6: Final answer
    x = 2,920.35

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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.