Home / 1,772.09-2,427.79-1,705.60

Finding the Fourth Proportional to 1,772.09, 2,427.79 and 1,705.60

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Solution

The fourth proportional to 1,772.09, 2,427.79 and 1,705.60 is: 2,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.09 : 2,427.79 = 1,705.60 : x
  2. Step 2: Convert to fraction form
    1,772.09/2,427.79 = 1,705.60/x
  3. Step 3: Cross multiply
    1,772.09x = 2,427.79 × 1,705.60
  4. Step 4: Simplify right side
    1,772.09x = 4,140,830.10
  5. Step 5: Solve for x
    x = 4,140,830.10/1,772.09
  6. Step 6: Final answer
    x = 2,336.69

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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.