Home / 4,030.36-6,047.34-1,978.36

Finding the Fourth Proportional to 4,030.36, 6,047.34 and 1,978.36

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Solution

The fourth proportional to 4,030.36, 6,047.34 and 1,978.36 is: 2,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.36 : 6,047.34 = 1,978.36 : x
  2. Step 2: Convert to fraction form
    4,030.36/6,047.34 = 1,978.36/x
  3. Step 3: Cross multiply
    4,030.36x = 6,047.34 × 1,978.36
  4. Step 4: Simplify right side
    4,030.36x = 11,963,815.56
  5. Step 5: Solve for x
    x = 11,963,815.56/4,030.36
  6. Step 6: Final answer
    x = 2,968.42

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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.