Home / 3,313.11-4,969.44-2,390.34

Finding the Fourth Proportional to 3,313.11, 4,969.44 and 2,390.34

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Solution

The fourth proportional to 3,313.11, 4,969.44 and 2,390.34 is: 3,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.11 : 4,969.44 = 2,390.34 : x
  2. Step 2: Convert to fraction form
    3,313.11/4,969.44 = 2,390.34/x
  3. Step 3: Cross multiply
    3,313.11x = 4,969.44 × 2,390.34
  4. Step 4: Simplify right side
    3,313.11x = 11,878,651.21
  5. Step 5: Solve for x
    x = 11,878,651.21/3,313.11
  6. Step 6: Final answer
    x = 3,585.35

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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.