Home / 2,367.36-3,266.64-1,319.40

Finding the Fourth Proportional to 2,367.36, 3,266.64 and 1,319.40

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Solution

The fourth proportional to 2,367.36, 3,266.64 and 1,319.40 is: 1,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.36 : 3,266.64 = 1,319.40 : x
  2. Step 2: Convert to fraction form
    2,367.36/3,266.64 = 1,319.40/x
  3. Step 3: Cross multiply
    2,367.36x = 3,266.64 × 1,319.40
  4. Step 4: Simplify right side
    2,367.36x = 4,310,004.82
  5. Step 5: Solve for x
    x = 4,310,004.82/2,367.36
  6. Step 6: Final answer
    x = 1,820.60

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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.