Home / 1,946.44-2,685.29-1,357.32

Finding the Fourth Proportional to 1,946.44, 2,685.29 and 1,357.32

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Solution

The fourth proportional to 1,946.44, 2,685.29 and 1,357.32 is: 1,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.44 : 2,685.29 = 1,357.32 : x
  2. Step 2: Convert to fraction form
    1,946.44/2,685.29 = 1,357.32/x
  3. Step 3: Cross multiply
    1,946.44x = 2,685.29 × 1,357.32
  4. Step 4: Simplify right side
    1,946.44x = 3,644,801.11
  5. Step 5: Solve for x
    x = 3,644,801.11/1,946.44
  6. Step 6: Final answer
    x = 1,872.55

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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.