Home / 3,323.10-4,984.95-1,678.60

Finding the Fourth Proportional to 3,323.10, 4,984.95 and 1,678.60

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Solution

The fourth proportional to 3,323.10, 4,984.95 and 1,678.60 is: 2,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.10 : 4,984.95 = 1,678.60 : x
  2. Step 2: Convert to fraction form
    3,323.10/4,984.95 = 1,678.60/x
  3. Step 3: Cross multiply
    3,323.10x = 4,984.95 × 1,678.60
  4. Step 4: Simplify right side
    3,323.10x = 8,367,737.07
  5. Step 5: Solve for x
    x = 8,367,737.07/3,323.10
  6. Step 6: Final answer
    x = 2,518.05

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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.