Home / 3,280.60-4,920.36-1,895.50

Finding the Fourth Proportional to 3,280.60, 4,920.36 and 1,895.50

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Solution

The fourth proportional to 3,280.60, 4,920.36 and 1,895.50 is: 2,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.60 : 4,920.36 = 1,895.50 : x
  2. Step 2: Convert to fraction form
    3,280.60/4,920.36 = 1,895.50/x
  3. Step 3: Cross multiply
    3,280.60x = 4,920.36 × 1,895.50
  4. Step 4: Simplify right side
    3,280.60x = 9,326,542.38
  5. Step 5: Solve for x
    x = 9,326,542.38/3,280.60
  6. Step 6: Final answer
    x = 2,842.94

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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.