Home / 1,675.87-2,515.56-1,237.62

Finding the Fourth Proportional to 1,675.87, 2,515.56 and 1,237.62

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Solution

The fourth proportional to 1,675.87, 2,515.56 and 1,237.62 is: 1,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.87 : 2,515.56 = 1,237.62 : x
  2. Step 2: Convert to fraction form
    1,675.87/2,515.56 = 1,237.62/x
  3. Step 3: Cross multiply
    1,675.87x = 2,515.56 × 1,237.62
  4. Step 4: Simplify right side
    1,675.87x = 3,113,310.26
  5. Step 5: Solve for x
    x = 3,113,310.26/1,675.87
  6. Step 6: Final answer
    x = 1,857.72

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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.