Home / 2,418.40-3,302.80-2,392.48

Finding the Fourth Proportional to 2,418.40, 3,302.80 and 2,392.48

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Solution

The fourth proportional to 2,418.40, 3,302.80 and 2,392.48 is: 3,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.40 : 3,302.80 = 2,392.48 : x
  2. Step 2: Convert to fraction form
    2,418.40/3,302.80 = 2,392.48/x
  3. Step 3: Cross multiply
    2,418.40x = 3,302.80 × 2,392.48
  4. Step 4: Simplify right side
    2,418.40x = 7,901,882.94
  5. Step 5: Solve for x
    x = 7,901,882.94/2,418.40
  6. Step 6: Final answer
    x = 3,267.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.