Home / 3,047.79-4,209.26-2,104.95

Finding the Fourth Proportional to 3,047.79, 4,209.26 and 2,104.95

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Solution

The fourth proportional to 3,047.79, 4,209.26 and 2,104.95 is: 2,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.79 : 4,209.26 = 2,104.95 : x
  2. Step 2: Convert to fraction form
    3,047.79/4,209.26 = 2,104.95/x
  3. Step 3: Cross multiply
    3,047.79x = 4,209.26 × 2,104.95
  4. Step 4: Simplify right side
    3,047.79x = 8,860,271.31
  5. Step 5: Solve for x
    x = 8,860,271.31/3,047.79
  6. Step 6: Final answer
    x = 2,907.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.