Home / 3,009.36-4,152.93-1,683.12

Finding the Fourth Proportional to 3,009.36, 4,152.93 and 1,683.12

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Solution

The fourth proportional to 3,009.36, 4,152.93 and 1,683.12 is: 2,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.36 : 4,152.93 = 1,683.12 : x
  2. Step 2: Convert to fraction form
    3,009.36/4,152.93 = 1,683.12/x
  3. Step 3: Cross multiply
    3,009.36x = 4,152.93 × 1,683.12
  4. Step 4: Simplify right side
    3,009.36x = 6,989,879.54
  5. Step 5: Solve for x
    x = 6,989,879.54/3,009.36
  6. Step 6: Final answer
    x = 2,322.71

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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.