Home / 2,004.78-3,007.08-1,277.67

Finding the Fourth Proportional to 2,004.78, 3,007.08 and 1,277.67

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Solution

The fourth proportional to 2,004.78, 3,007.08 and 1,277.67 is: 1,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.78 : 3,007.08 = 1,277.67 : x
  2. Step 2: Convert to fraction form
    2,004.78/3,007.08 = 1,277.67/x
  3. Step 3: Cross multiply
    2,004.78x = 3,007.08 × 1,277.67
  4. Step 4: Simplify right side
    2,004.78x = 3,842,055.90
  5. Step 5: Solve for x
    x = 3,842,055.90/2,004.78
  6. Step 6: Final answer
    x = 1,916.45

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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.