Home / 3,477.63-5,216.45-2,106.75

Finding the Fourth Proportional to 3,477.63, 5,216.45 and 2,106.75

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Solution

The fourth proportional to 3,477.63, 5,216.45 and 2,106.75 is: 3,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.63 : 5,216.45 = 2,106.75 : x
  2. Step 2: Convert to fraction form
    3,477.63/5,216.45 = 2,106.75/x
  3. Step 3: Cross multiply
    3,477.63x = 5,216.45 × 2,106.75
  4. Step 4: Simplify right side
    3,477.63x = 10,989,745.50
  5. Step 5: Solve for x
    x = 10,989,745.50/3,477.63
  6. Step 6: Final answer
    x = 3,160.13

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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.