Home / 2,415.44-3,332.76-1,367.12

Finding the Fourth Proportional to 2,415.44, 3,332.76 and 1,367.12

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Solution

The fourth proportional to 2,415.44, 3,332.76 and 1,367.12 is: 1,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.44 : 3,332.76 = 1,367.12 : x
  2. Step 2: Convert to fraction form
    2,415.44/3,332.76 = 1,367.12/x
  3. Step 3: Cross multiply
    2,415.44x = 3,332.76 × 1,367.12
  4. Step 4: Simplify right side
    2,415.44x = 4,556,282.85
  5. Step 5: Solve for x
    x = 4,556,282.85/2,415.44
  6. Step 6: Final answer
    x = 1,886.32

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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.