Home / 1,837.77-2,756.66-1,292.39

Finding the Fourth Proportional to 1,837.77, 2,756.66 and 1,292.39

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Solution

The fourth proportional to 1,837.77, 2,756.66 and 1,292.39 is: 1,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.77 : 2,756.66 = 1,292.39 : x
  2. Step 2: Convert to fraction form
    1,837.77/2,756.66 = 1,292.39/x
  3. Step 3: Cross multiply
    1,837.77x = 2,756.66 × 1,292.39
  4. Step 4: Simplify right side
    1,837.77x = 3,562,659.57
  5. Step 5: Solve for x
    x = 3,562,659.57/1,837.77
  6. Step 6: Final answer
    x = 1,938.58

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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.