Home / 2,807.07-3,873.04-2,059.73

Finding the Fourth Proportional to 2,807.07, 3,873.04 and 2,059.73

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Solution

The fourth proportional to 2,807.07, 3,873.04 and 2,059.73 is: 2,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.07 : 3,873.04 = 2,059.73 : x
  2. Step 2: Convert to fraction form
    2,807.07/3,873.04 = 2,059.73/x
  3. Step 3: Cross multiply
    2,807.07x = 3,873.04 × 2,059.73
  4. Step 4: Simplify right side
    2,807.07x = 7,977,412.48
  5. Step 5: Solve for x
    x = 7,977,412.48/2,807.07
  6. Step 6: Final answer
    x = 2,841.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.