Home / 1,903.23-2,623.66-1,636.47

Finding the Fourth Proportional to 1,903.23, 2,623.66 and 1,636.47

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Solution

The fourth proportional to 1,903.23, 2,623.66 and 1,636.47 is: 2,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.23 : 2,623.66 = 1,636.47 : x
  2. Step 2: Convert to fraction form
    1,903.23/2,623.66 = 1,636.47/x
  3. Step 3: Cross multiply
    1,903.23x = 2,623.66 × 1,636.47
  4. Step 4: Simplify right side
    1,903.23x = 4,293,536.79
  5. Step 5: Solve for x
    x = 4,293,536.79/1,903.23
  6. Step 6: Final answer
    x = 2,255.92

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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.