Home / 2,367.74-3,267.60-1,319.78

Finding the Fourth Proportional to 2,367.74, 3,267.60 and 1,319.78

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Solution

The fourth proportional to 2,367.74, 3,267.60 and 1,319.78 is: 1,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.74 : 3,267.60 = 1,319.78 : x
  2. Step 2: Convert to fraction form
    2,367.74/3,267.60 = 1,319.78/x
  3. Step 3: Cross multiply
    2,367.74x = 3,267.60 × 1,319.78
  4. Step 4: Simplify right side
    2,367.74x = 4,312,513.13
  5. Step 5: Solve for x
    x = 4,312,513.13/2,367.74
  6. Step 6: Final answer
    x = 1,821.36

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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.