Home / 2,415.85-3,334.19-1,354.02

Finding the Fourth Proportional to 2,415.85, 3,334.19 and 1,354.02

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Solution

The fourth proportional to 2,415.85, 3,334.19 and 1,354.02 is: 1,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.85 : 3,334.19 = 1,354.02 : x
  2. Step 2: Convert to fraction form
    2,415.85/3,334.19 = 1,354.02/x
  3. Step 3: Cross multiply
    2,415.85x = 3,334.19 × 1,354.02
  4. Step 4: Simplify right side
    2,415.85x = 4,514,559.94
  5. Step 5: Solve for x
    x = 4,514,559.94/2,415.85
  6. Step 6: Final answer
    x = 1,868.73

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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.