Home / 1,785.83-2,465.43-1,199.48

Finding the Fourth Proportional to 1,785.83, 2,465.43 and 1,199.48

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Solution

The fourth proportional to 1,785.83, 2,465.43 and 1,199.48 is: 1,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.83 : 2,465.43 = 1,199.48 : x
  2. Step 2: Convert to fraction form
    1,785.83/2,465.43 = 1,199.48/x
  3. Step 3: Cross multiply
    1,785.83x = 2,465.43 × 1,199.48
  4. Step 4: Simplify right side
    1,785.83x = 2,957,233.98
  5. Step 5: Solve for x
    x = 2,957,233.98/1,785.83
  6. Step 6: Final answer
    x = 1,655.94

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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.