Home / 2,953.14-4,429.72-1,103.78

Finding the Fourth Proportional to 2,953.14, 4,429.72 and 1,103.78

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Solution

The fourth proportional to 2,953.14, 4,429.72 and 1,103.78 is: 1,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.14 : 4,429.72 = 1,103.78 : x
  2. Step 2: Convert to fraction form
    2,953.14/4,429.72 = 1,103.78/x
  3. Step 3: Cross multiply
    2,953.14x = 4,429.72 × 1,103.78
  4. Step 4: Simplify right side
    2,953.14x = 4,889,436.34
  5. Step 5: Solve for x
    x = 4,889,436.34/2,953.14
  6. Step 6: Final answer
    x = 1,655.67

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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.