Home / 2,089.85-3,135.79-1,477.49

Finding the Fourth Proportional to 2,089.85, 3,135.79 and 1,477.49

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Solution

The fourth proportional to 2,089.85, 3,135.79 and 1,477.49 is: 2,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.85 : 3,135.79 = 1,477.49 : x
  2. Step 2: Convert to fraction form
    2,089.85/3,135.79 = 1,477.49/x
  3. Step 3: Cross multiply
    2,089.85x = 3,135.79 × 1,477.49
  4. Step 4: Simplify right side
    2,089.85x = 4,633,084.54
  5. Step 5: Solve for x
    x = 4,633,084.54/2,089.85
  6. Step 6: Final answer
    x = 2,216.95

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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.