Home / 2,476.96-3,419.76-1,860.64

Finding the Fourth Proportional to 2,476.96, 3,419.76 and 1,860.64

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Solution

The fourth proportional to 2,476.96, 3,419.76 and 1,860.64 is: 2,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.96 : 3,419.76 = 1,860.64 : x
  2. Step 2: Convert to fraction form
    2,476.96/3,419.76 = 1,860.64/x
  3. Step 3: Cross multiply
    2,476.96x = 3,419.76 × 1,860.64
  4. Step 4: Simplify right side
    2,476.96x = 6,362,942.25
  5. Step 5: Solve for x
    x = 6,362,942.25/2,476.96
  6. Step 6: Final answer
    x = 2,568.85

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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.