Home / 3,436.02-4,742.90-2,109.85

Finding the Fourth Proportional to 3,436.02, 4,742.90 and 2,109.85

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Solution

The fourth proportional to 3,436.02, 4,742.90 and 2,109.85 is: 2,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.02 : 4,742.90 = 2,109.85 : x
  2. Step 2: Convert to fraction form
    3,436.02/4,742.90 = 2,109.85/x
  3. Step 3: Cross multiply
    3,436.02x = 4,742.90 × 2,109.85
  4. Step 4: Simplify right side
    3,436.02x = 10,006,804.94
  5. Step 5: Solve for x
    x = 10,006,804.94/3,436.02
  6. Step 6: Final answer
    x = 2,912.32

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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.