Home / 2,388.32-3,587.34-1,838.60

Finding the Fourth Proportional to 2,388.32, 3,587.34 and 1,838.60

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Solution

The fourth proportional to 2,388.32, 3,587.34 and 1,838.60 is: 2,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.32 : 3,587.34 = 1,838.60 : x
  2. Step 2: Convert to fraction form
    2,388.32/3,587.34 = 1,838.60/x
  3. Step 3: Cross multiply
    2,388.32x = 3,587.34 × 1,838.60
  4. Step 4: Simplify right side
    2,388.32x = 6,595,683.32
  5. Step 5: Solve for x
    x = 6,595,683.32/2,388.32
  6. Step 6: Final answer
    x = 2,761.64

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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.