Home / 2,546.40-3,513.80-1,427.19

Finding the Fourth Proportional to 2,546.40, 3,513.80 and 1,427.19

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Solution

The fourth proportional to 2,546.40, 3,513.80 and 1,427.19 is: 1,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.40 : 3,513.80 = 1,427.19 : x
  2. Step 2: Convert to fraction form
    2,546.40/3,513.80 = 1,427.19/x
  3. Step 3: Cross multiply
    2,546.40x = 3,513.80 × 1,427.19
  4. Step 4: Simplify right side
    2,546.40x = 5,014,860.22
  5. Step 5: Solve for x
    x = 5,014,860.22/2,546.40
  6. Step 6: Final answer
    x = 1,969.39

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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.