Home / 3,005.36-4,144.68-1,886.42

Finding the Fourth Proportional to 3,005.36, 4,144.68 and 1,886.42

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Solution

The fourth proportional to 3,005.36, 4,144.68 and 1,886.42 is: 2,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.36 : 4,144.68 = 1,886.42 : x
  2. Step 2: Convert to fraction form
    3,005.36/4,144.68 = 1,886.42/x
  3. Step 3: Cross multiply
    3,005.36x = 4,144.68 × 1,886.42
  4. Step 4: Simplify right side
    3,005.36x = 7,818,607.25
  5. Step 5: Solve for x
    x = 7,818,607.25/3,005.36
  6. Step 6: Final answer
    x = 2,601.55

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1.5x scale

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.