Home / 1,787.10-2,464.05-1,537.99

Finding the Fourth Proportional to 1,787.10, 2,464.05 and 1,537.99

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Solution

The fourth proportional to 1,787.10, 2,464.05 and 1,537.99 is: 2,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.10 : 2,464.05 = 1,537.99 : x
  2. Step 2: Convert to fraction form
    1,787.10/2,464.05 = 1,537.99/x
  3. Step 3: Cross multiply
    1,787.10x = 2,464.05 × 1,537.99
  4. Step 4: Simplify right side
    1,787.10x = 3,789,675.22
  5. Step 5: Solve for x
    x = 3,789,675.22/1,787.10
  6. Step 6: Final answer
    x = 2,120.58

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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.