Home / 1,719.42-2,579.16-1,585.68

Finding the Fourth Proportional to 1,719.42, 2,579.16 and 1,585.68

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Solution

The fourth proportional to 1,719.42, 2,579.16 and 1,585.68 is: 2,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.42 : 2,579.16 = 1,585.68 : x
  2. Step 2: Convert to fraction form
    1,719.42/2,579.16 = 1,585.68/x
  3. Step 3: Cross multiply
    1,719.42x = 2,579.16 × 1,585.68
  4. Step 4: Simplify right side
    1,719.42x = 4,089,722.43
  5. Step 5: Solve for x
    x = 4,089,722.43/1,719.42
  6. Step 6: Final answer
    x = 2,378.55

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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.