Home / 3,315.95-4,984.26-2,091.23

Finding the Fourth Proportional to 3,315.95, 4,984.26 and 2,091.23

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Solution

The fourth proportional to 3,315.95, 4,984.26 and 2,091.23 is: 3,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.95 : 4,984.26 = 2,091.23 : x
  2. Step 2: Convert to fraction form
    3,315.95/4,984.26 = 2,091.23/x
  3. Step 3: Cross multiply
    3,315.95x = 4,984.26 × 2,091.23
  4. Step 4: Simplify right side
    3,315.95x = 10,423,223.58
  5. Step 5: Solve for x
    x = 10,423,223.58/3,315.95
  6. Step 6: Final answer
    x = 3,143.36

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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.