Home / 1,719.57-2,574.78-1,370.58

Finding the Fourth Proportional to 1,719.57, 2,574.78 and 1,370.58

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Solution

The fourth proportional to 1,719.57, 2,574.78 and 1,370.58 is: 2,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.57 : 2,574.78 = 1,370.58 : x
  2. Step 2: Convert to fraction form
    1,719.57/2,574.78 = 1,370.58/x
  3. Step 3: Cross multiply
    1,719.57x = 2,574.78 × 1,370.58
  4. Step 4: Simplify right side
    1,719.57x = 3,528,941.97
  5. Step 5: Solve for x
    x = 3,528,941.97/1,719.57
  6. Step 6: Final answer
    x = 2,052.22

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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.