Home / 1,854.19-2,785.39-1,583.55

Finding the Fourth Proportional to 1,854.19, 2,785.39 and 1,583.55

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Solution

The fourth proportional to 1,854.19, 2,785.39 and 1,583.55 is: 2,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.19 : 2,785.39 = 1,583.55 : x
  2. Step 2: Convert to fraction form
    1,854.19/2,785.39 = 1,583.55/x
  3. Step 3: Cross multiply
    1,854.19x = 2,785.39 × 1,583.55
  4. Step 4: Simplify right side
    1,854.19x = 4,410,800.38
  5. Step 5: Solve for x
    x = 4,410,800.38/1,854.19
  6. Step 6: Final answer
    x = 2,378.83

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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.