Home / 2,905.60-4,010.90-1,857.46

Finding the Fourth Proportional to 2,905.60, 4,010.90 and 1,857.46

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Solution

The fourth proportional to 2,905.60, 4,010.90 and 1,857.46 is: 2,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.60 : 4,010.90 = 1,857.46 : x
  2. Step 2: Convert to fraction form
    2,905.60/4,010.90 = 1,857.46/x
  3. Step 3: Cross multiply
    2,905.60x = 4,010.90 × 1,857.46
  4. Step 4: Simplify right side
    2,905.60x = 7,450,086.31
  5. Step 5: Solve for x
    x = 7,450,086.31/2,905.60
  6. Step 6: Final answer
    x = 2,564.04

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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.