Home / 2,827.51-4,230.23-1,898.64

Finding the Fourth Proportional to 2,827.51, 4,230.23 and 1,898.64

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Solution

The fourth proportional to 2,827.51, 4,230.23 and 1,898.64 is: 2,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.51 : 4,230.23 = 1,898.64 : x
  2. Step 2: Convert to fraction form
    2,827.51/4,230.23 = 1,898.64/x
  3. Step 3: Cross multiply
    2,827.51x = 4,230.23 × 1,898.64
  4. Step 4: Simplify right side
    2,827.51x = 8,031,674.39
  5. Step 5: Solve for x
    x = 8,031,674.39/2,827.51
  6. Step 6: Final answer
    x = 2,840.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.