Home / 2,903.60-4,001.42-2,850.28

Finding the Fourth Proportional to 2,903.60, 4,001.42 and 2,850.28

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Solution

The fourth proportional to 2,903.60, 4,001.42 and 2,850.28 is: 3,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.60 : 4,001.42 = 2,850.28 : x
  2. Step 2: Convert to fraction form
    2,903.60/4,001.42 = 2,850.28/x
  3. Step 3: Cross multiply
    2,903.60x = 4,001.42 × 2,850.28
  4. Step 4: Simplify right side
    2,903.60x = 11,405,167.40
  5. Step 5: Solve for x
    x = 11,405,167.40/2,903.60
  6. Step 6: Final answer
    x = 3,927.94

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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.