Home / 1,820.28-2,495.60-1,787.48

Finding the Fourth Proportional to 1,820.28, 2,495.60 and 1,787.48

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Solution

The fourth proportional to 1,820.28, 2,495.60 and 1,787.48 is: 2,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.28 : 2,495.60 = 1,787.48 : x
  2. Step 2: Convert to fraction form
    1,820.28/2,495.60 = 1,787.48/x
  3. Step 3: Cross multiply
    1,820.28x = 2,495.60 × 1,787.48
  4. Step 4: Simplify right side
    1,820.28x = 4,460,835.09
  5. Step 5: Solve for x
    x = 4,460,835.09/1,820.28
  6. Step 6: Final answer
    x = 2,450.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.