Home / 3,243.51-4,475.66-1,827.09

Finding the Fourth Proportional to 3,243.51, 4,475.66 and 1,827.09

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Solution

The fourth proportional to 3,243.51, 4,475.66 and 1,827.09 is: 2,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.51 : 4,475.66 = 1,827.09 : x
  2. Step 2: Convert to fraction form
    3,243.51/4,475.66 = 1,827.09/x
  3. Step 3: Cross multiply
    3,243.51x = 4,475.66 × 1,827.09
  4. Step 4: Simplify right side
    3,243.51x = 8,177,424.49
  5. Step 5: Solve for x
    x = 8,177,424.49/3,243.51
  6. Step 6: Final answer
    x = 2,521.17

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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.