Home / 3,009.72-4,153.57-1,683.35

Finding the Fourth Proportional to 3,009.72, 4,153.57 and 1,683.35

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Solution

The fourth proportional to 3,009.72, 4,153.57 and 1,683.35 is: 2,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.72 : 4,153.57 = 1,683.35 : x
  2. Step 2: Convert to fraction form
    3,009.72/4,153.57 = 1,683.35/x
  3. Step 3: Cross multiply
    3,009.72x = 4,153.57 × 1,683.35
  4. Step 4: Simplify right side
    3,009.72x = 6,991,912.06
  5. Step 5: Solve for x
    x = 6,991,912.06/3,009.72
  6. Step 6: Final answer
    x = 2,323.11

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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.