Home / 3,107.12-4,660.68-3,012.08

Finding the Fourth Proportional to 3,107.12, 4,660.68 and 3,012.08

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Solution

The fourth proportional to 3,107.12, 4,660.68 and 3,012.08 is: 4,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.12 : 4,660.68 = 3,012.08 : x
  2. Step 2: Convert to fraction form
    3,107.12/4,660.68 = 3,012.08/x
  3. Step 3: Cross multiply
    3,107.12x = 4,660.68 × 3,012.08
  4. Step 4: Simplify right side
    3,107.12x = 14,038,341.01
  5. Step 5: Solve for x
    x = 14,038,341.01/3,107.12
  6. Step 6: Final answer
    x = 4,518.12

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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.