Home / 2,833.01-3,899.85-2,457.78

Finding the Fourth Proportional to 2,833.01, 3,899.85 and 2,457.78

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Solution

The fourth proportional to 2,833.01, 3,899.85 and 2,457.78 is: 3,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.01 : 3,899.85 = 2,457.78 : x
  2. Step 2: Convert to fraction form
    2,833.01/3,899.85 = 2,457.78/x
  3. Step 3: Cross multiply
    2,833.01x = 3,899.85 × 2,457.78
  4. Step 4: Simplify right side
    2,833.01x = 9,584,973.33
  5. Step 5: Solve for x
    x = 9,584,973.33/2,833.01
  6. Step 6: Final answer
    x = 3,383.32

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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.