Home / 2,946.20-4,065.68-1,619.93

Finding the Fourth Proportional to 2,946.20, 4,065.68 and 1,619.93

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Solution

The fourth proportional to 2,946.20, 4,065.68 and 1,619.93 is: 2,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.20 : 4,065.68 = 1,619.93 : x
  2. Step 2: Convert to fraction form
    2,946.20/4,065.68 = 1,619.93/x
  3. Step 3: Cross multiply
    2,946.20x = 4,065.68 × 1,619.93
  4. Step 4: Simplify right side
    2,946.20x = 6,586,131.22
  5. Step 5: Solve for x
    x = 6,586,131.22/2,946.20
  6. Step 6: Final answer
    x = 2,235.47

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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.