Home / 2,418.66-3,336.66-1,423.47

Finding the Fourth Proportional to 2,418.66, 3,336.66 and 1,423.47

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Solution

The fourth proportional to 2,418.66, 3,336.66 and 1,423.47 is: 1,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.66 : 3,336.66 = 1,423.47 : x
  2. Step 2: Convert to fraction form
    2,418.66/3,336.66 = 1,423.47/x
  3. Step 3: Cross multiply
    2,418.66x = 3,336.66 × 1,423.47
  4. Step 4: Simplify right side
    2,418.66x = 4,749,647.92
  5. Step 5: Solve for x
    x = 4,749,647.92/2,418.66
  6. Step 6: Final answer
    x = 1,963.75

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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.