Home / 2,675.30-4,012.05-1,858.82

Finding the Fourth Proportional to 2,675.30, 4,012.05 and 1,858.82

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Solution

The fourth proportional to 2,675.30, 4,012.05 and 1,858.82 is: 2,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.30 : 4,012.05 = 1,858.82 : x
  2. Step 2: Convert to fraction form
    2,675.30/4,012.05 = 1,858.82/x
  3. Step 3: Cross multiply
    2,675.30x = 4,012.05 × 1,858.82
  4. Step 4: Simplify right side
    2,675.30x = 7,457,678.78
  5. Step 5: Solve for x
    x = 7,457,678.78/2,675.30
  6. Step 6: Final answer
    x = 2,787.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.