Home / 3,280.02-4,920.93-1,634.58

Finding the Fourth Proportional to 3,280.02, 4,920.93 and 1,634.58

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Solution

The fourth proportional to 3,280.02, 4,920.93 and 1,634.58 is: 2,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.02 : 4,920.93 = 1,634.58 : x
  2. Step 2: Convert to fraction form
    3,280.02/4,920.93 = 1,634.58/x
  3. Step 3: Cross multiply
    3,280.02x = 4,920.93 × 1,634.58
  4. Step 4: Simplify right side
    3,280.02x = 8,043,653.76
  5. Step 5: Solve for x
    x = 8,043,653.76/3,280.02
  6. Step 6: Final answer
    x = 2,452.32

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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.