Home / 3,038.46-4,556.86-846.70

Finding the Fourth Proportional to 3,038.46, 4,556.86 and 846.70

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Solution

The fourth proportional to 3,038.46, 4,556.86 and 846.70 is: 1,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.46 : 4,556.86 = 846.70 : x
  2. Step 2: Convert to fraction form
    3,038.46/4,556.86 = 846.70/x
  3. Step 3: Cross multiply
    3,038.46x = 4,556.86 × 846.70
  4. Step 4: Simplify right side
    3,038.46x = 3,858,293.36
  5. Step 5: Solve for x
    x = 3,858,293.36/3,038.46
  6. Step 6: Final answer
    x = 1,269.82

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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.