Home / 3,470.43-4,790.77-2,213.20

Finding the Fourth Proportional to 3,470.43, 4,790.77 and 2,213.20

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Solution

The fourth proportional to 3,470.43, 4,790.77 and 2,213.20 is: 3,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.43 : 4,790.77 = 2,213.20 : x
  2. Step 2: Convert to fraction form
    3,470.43/4,790.77 = 2,213.20/x
  3. Step 3: Cross multiply
    3,470.43x = 4,790.77 × 2,213.20
  4. Step 4: Simplify right side
    3,470.43x = 10,602,914.65
  5. Step 5: Solve for x
    x = 10,602,914.65/3,470.43
  6. Step 6: Final answer
    x = 3,055.22

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1.5x scale

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.