Home / 3,300.69-4,951.10-1,219.62

Finding the Fourth Proportional to 3,300.69, 4,951.10 and 1,219.62

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Solution

The fourth proportional to 3,300.69, 4,951.10 and 1,219.62 is: 1,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.69 : 4,951.10 = 1,219.62 : x
  2. Step 2: Convert to fraction form
    3,300.69/4,951.10 = 1,219.62/x
  3. Step 3: Cross multiply
    3,300.69x = 4,951.10 × 1,219.62
  4. Step 4: Simplify right side
    3,300.69x = 6,038,442.11
  5. Step 5: Solve for x
    x = 6,038,442.11/3,300.69
  6. Step 6: Final answer
    x = 1,829.45

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1.5x scale

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.