Home / 3,220.71-4,444.79-1,804.51

Finding the Fourth Proportional to 3,220.71, 4,444.79 and 1,804.51

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Solution

The fourth proportional to 3,220.71, 4,444.79 and 1,804.51 is: 2,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.71 : 4,444.79 = 1,804.51 : x
  2. Step 2: Convert to fraction form
    3,220.71/4,444.79 = 1,804.51/x
  3. Step 3: Cross multiply
    3,220.71x = 4,444.79 × 1,804.51
  4. Step 4: Simplify right side
    3,220.71x = 8,020,668.00
  5. Step 5: Solve for x
    x = 8,020,668.00/3,220.71
  6. Step 6: Final answer
    x = 2,490.34

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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.