Home / 2,418.06-3,336.90-1,370.13

Finding the Fourth Proportional to 2,418.06, 3,336.90 and 1,370.13

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Solution

The fourth proportional to 2,418.06, 3,336.90 and 1,370.13 is: 1,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.06 : 3,336.90 = 1,370.13 : x
  2. Step 2: Convert to fraction form
    2,418.06/3,336.90 = 1,370.13/x
  3. Step 3: Cross multiply
    2,418.06x = 3,336.90 × 1,370.13
  4. Step 4: Simplify right side
    2,418.06x = 4,571,986.80
  5. Step 5: Solve for x
    x = 4,571,986.80/2,418.06
  6. Step 6: Final answer
    x = 1,890.77

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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.