Home / 2,683.32-3,702.96-2,309.64

Finding the Fourth Proportional to 2,683.32, 3,702.96 and 2,309.64

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Solution

The fourth proportional to 2,683.32, 3,702.96 and 2,309.64 is: 3,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.32 : 3,702.96 = 2,309.64 : x
  2. Step 2: Convert to fraction form
    2,683.32/3,702.96 = 2,309.64/x
  3. Step 3: Cross multiply
    2,683.32x = 3,702.96 × 2,309.64
  4. Step 4: Simplify right side
    2,683.32x = 8,552,504.53
  5. Step 5: Solve for x
    x = 8,552,504.53/2,683.32
  6. Step 6: Final answer
    x = 3,187.28

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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.