Home / 2,946.22-4,065.71-1,619.89

Finding the Fourth Proportional to 2,946.22, 4,065.71 and 1,619.89

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Solution

The fourth proportional to 2,946.22, 4,065.71 and 1,619.89 is: 2,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.22 : 4,065.71 = 1,619.89 : x
  2. Step 2: Convert to fraction form
    2,946.22/4,065.71 = 1,619.89/x
  3. Step 3: Cross multiply
    2,946.22x = 4,065.71 × 1,619.89
  4. Step 4: Simplify right side
    2,946.22x = 6,585,984.71
  5. Step 5: Solve for x
    x = 6,585,984.71/2,946.22
  6. Step 6: Final answer
    x = 2,235.40

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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.