Home / 2,906.04-4,010.70-1,857.72

Finding the Fourth Proportional to 2,906.04, 4,010.70 and 1,857.72

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Solution

The fourth proportional to 2,906.04, 4,010.70 and 1,857.72 is: 2,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.04 : 4,010.70 = 1,857.72 : x
  2. Step 2: Convert to fraction form
    2,906.04/4,010.70 = 1,857.72/x
  3. Step 3: Cross multiply
    2,906.04x = 4,010.70 × 1,857.72
  4. Step 4: Simplify right side
    2,906.04x = 7,450,757.60
  5. Step 5: Solve for x
    x = 7,450,757.60/2,906.04
  6. Step 6: Final answer
    x = 2,563.89

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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.