Home / 3,089.82-4,630.95-1,628.04

Finding the Fourth Proportional to 3,089.82, 4,630.95 and 1,628.04

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Solution

The fourth proportional to 3,089.82, 4,630.95 and 1,628.04 is: 2,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.82 : 4,630.95 = 1,628.04 : x
  2. Step 2: Convert to fraction form
    3,089.82/4,630.95 = 1,628.04/x
  3. Step 3: Cross multiply
    3,089.82x = 4,630.95 × 1,628.04
  4. Step 4: Simplify right side
    3,089.82x = 7,539,371.84
  5. Step 5: Solve for x
    x = 7,539,371.84/3,089.82
  6. Step 6: Final answer
    x = 2,440.07

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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.