Home / 1,903.65-2,616.94-1,637.11

Finding the Fourth Proportional to 1,903.65, 2,616.94 and 1,637.11

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Solution

The fourth proportional to 1,903.65, 2,616.94 and 1,637.11 is: 2,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.65 : 2,616.94 = 1,637.11 : x
  2. Step 2: Convert to fraction form
    1,903.65/2,616.94 = 1,637.11/x
  3. Step 3: Cross multiply
    1,903.65x = 2,616.94 × 1,637.11
  4. Step 4: Simplify right side
    1,903.65x = 4,284,218.64
  5. Step 5: Solve for x
    x = 4,284,218.64/1,903.65
  6. Step 6: Final answer
    x = 2,250.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.