Home / 2,370.87-3,556.29-1,275.75

Finding the Fourth Proportional to 2,370.87, 3,556.29 and 1,275.75

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Solution

The fourth proportional to 2,370.87, 3,556.29 and 1,275.75 is: 1,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.87 : 3,556.29 = 1,275.75 : x
  2. Step 2: Convert to fraction form
    2,370.87/3,556.29 = 1,275.75/x
  3. Step 3: Cross multiply
    2,370.87x = 3,556.29 × 1,275.75
  4. Step 4: Simplify right side
    2,370.87x = 4,536,936.97
  5. Step 5: Solve for x
    x = 4,536,936.97/2,370.87
  6. Step 6: Final answer
    x = 1,913.62

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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.