Home / 2,914.12-4,366.06-1,986.70

Finding the Fourth Proportional to 2,914.12, 4,366.06 and 1,986.70

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Solution

The fourth proportional to 2,914.12, 4,366.06 and 1,986.70 is: 2,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.12 : 4,366.06 = 1,986.70 : x
  2. Step 2: Convert to fraction form
    2,914.12/4,366.06 = 1,986.70/x
  3. Step 3: Cross multiply
    2,914.12x = 4,366.06 × 1,986.70
  4. Step 4: Simplify right side
    2,914.12x = 8,674,051.40
  5. Step 5: Solve for x
    x = 8,674,051.40/2,914.12
  6. Step 6: Final answer
    x = 2,976.56

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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.