Home / 1,707.46-2,355.20-1,183.39

Finding the Fourth Proportional to 1,707.46, 2,355.20 and 1,183.39

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Solution

The fourth proportional to 1,707.46, 2,355.20 and 1,183.39 is: 1,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.46 : 2,355.20 = 1,183.39 : x
  2. Step 2: Convert to fraction form
    1,707.46/2,355.20 = 1,183.39/x
  3. Step 3: Cross multiply
    1,707.46x = 2,355.20 × 1,183.39
  4. Step 4: Simplify right side
    1,707.46x = 2,787,120.13
  5. Step 5: Solve for x
    x = 2,787,120.13/1,707.46
  6. Step 6: Final answer
    x = 1,632.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.