Home / 2,476.78-3,419.58-1,916.26

Finding the Fourth Proportional to 2,476.78, 3,419.58 and 1,916.26

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Solution

The fourth proportional to 2,476.78, 3,419.58 and 1,916.26 is: 2,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.78 : 3,419.58 = 1,916.26 : x
  2. Step 2: Convert to fraction form
    2,476.78/3,419.58 = 1,916.26/x
  3. Step 3: Cross multiply
    2,476.78x = 3,419.58 × 1,916.26
  4. Step 4: Simplify right side
    2,476.78x = 6,552,804.37
  5. Step 5: Solve for x
    x = 6,552,804.37/2,476.78
  6. Step 6: Final answer
    x = 2,645.69

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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.