Home / 3,359.78-5,038.86-1,051.28

Finding the Fourth Proportional to 3,359.78, 5,038.86 and 1,051.28

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Solution

The fourth proportional to 3,359.78, 5,038.86 and 1,051.28 is: 1,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.78 : 5,038.86 = 1,051.28 : x
  2. Step 2: Convert to fraction form
    3,359.78/5,038.86 = 1,051.28/x
  3. Step 3: Cross multiply
    3,359.78x = 5,038.86 × 1,051.28
  4. Step 4: Simplify right side
    3,359.78x = 5,297,252.74
  5. Step 5: Solve for x
    x = 5,297,252.74/3,359.78
  6. Step 6: Final answer
    x = 1,576.67

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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.