Home / 3,062.80-4,227.76-1,804.06

Finding the Fourth Proportional to 3,062.80, 4,227.76 and 1,804.06

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Solution

The fourth proportional to 3,062.80, 4,227.76 and 1,804.06 is: 2,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.80 : 4,227.76 = 1,804.06 : x
  2. Step 2: Convert to fraction form
    3,062.80/4,227.76 = 1,804.06/x
  3. Step 3: Cross multiply
    3,062.80x = 4,227.76 × 1,804.06
  4. Step 4: Simplify right side
    3,062.80x = 7,627,132.71
  5. Step 5: Solve for x
    x = 7,627,132.71/3,062.80
  6. Step 6: Final answer
    x = 2,490.25

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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.