Home / 3,243.60-4,476.12-1,827.18

Finding the Fourth Proportional to 3,243.60, 4,476.12 and 1,827.18

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Solution

The fourth proportional to 3,243.60, 4,476.12 and 1,827.18 is: 2,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.60 : 4,476.12 = 1,827.18 : x
  2. Step 2: Convert to fraction form
    3,243.60/4,476.12 = 1,827.18/x
  3. Step 3: Cross multiply
    3,243.60x = 4,476.12 × 1,827.18
  4. Step 4: Simplify right side
    3,243.60x = 8,178,676.94
  5. Step 5: Solve for x
    x = 8,178,676.94/3,243.60
  6. Step 6: Final answer
    x = 2,521.48

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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.