Home / 2,896.90-4,340.42-2,070.96

Finding the Fourth Proportional to 2,896.90, 4,340.42 and 2,070.96

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Solution

The fourth proportional to 2,896.90, 4,340.42 and 2,070.96 is: 3,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.90 : 4,340.42 = 2,070.96 : x
  2. Step 2: Convert to fraction form
    2,896.90/4,340.42 = 2,070.96/x
  3. Step 3: Cross multiply
    2,896.90x = 4,340.42 × 2,070.96
  4. Step 4: Simplify right side
    2,896.90x = 8,988,836.20
  5. Step 5: Solve for x
    x = 8,988,836.20/2,896.90
  6. Step 6: Final answer
    x = 3,102.92

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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.