Home / 1,585.96-2,380.74-1,147.48

Finding the Fourth Proportional to 1,585.96, 2,380.74 and 1,147.48

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Solution

The fourth proportional to 1,585.96, 2,380.74 and 1,147.48 is: 1,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.96 : 2,380.74 = 1,147.48 : x
  2. Step 2: Convert to fraction form
    1,585.96/2,380.74 = 1,147.48/x
  3. Step 3: Cross multiply
    1,585.96x = 2,380.74 × 1,147.48
  4. Step 4: Simplify right side
    1,585.96x = 2,731,851.54
  5. Step 5: Solve for x
    x = 2,731,851.54/1,585.96
  6. Step 6: Final answer
    x = 1,722.52

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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.