Home / 4,021.64-6,030.98-1,388.48

Finding the Fourth Proportional to 4,021.64, 6,030.98 and 1,388.48

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Solution

The fourth proportional to 4,021.64, 6,030.98 and 1,388.48 is: 2,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.64 : 6,030.98 = 1,388.48 : x
  2. Step 2: Convert to fraction form
    4,021.64/6,030.98 = 1,388.48/x
  3. Step 3: Cross multiply
    4,021.64x = 6,030.98 × 1,388.48
  4. Step 4: Simplify right side
    4,021.64x = 8,373,863.22
  5. Step 5: Solve for x
    x = 8,373,863.22/4,021.64
  6. Step 6: Final answer
    x = 2,082.20

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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.