Home / 1,942.92-2,915.00-1,826.90

Finding the Fourth Proportional to 1,942.92, 2,915.00 and 1,826.90

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Solution

The fourth proportional to 1,942.92, 2,915.00 and 1,826.90 is: 2,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.92 : 2,915.00 = 1,826.90 : x
  2. Step 2: Convert to fraction form
    1,942.92/2,915.00 = 1,826.90/x
  3. Step 3: Cross multiply
    1,942.92x = 2,915.00 × 1,826.90
  4. Step 4: Simplify right side
    1,942.92x = 5,325,389.79
  5. Step 5: Solve for x
    x = 5,325,389.79/1,942.92
  6. Step 6: Final answer
    x = 2,740.92

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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.