Home / 2,420.12-3,337.97-1,522.98

Finding the Fourth Proportional to 2,420.12, 3,337.97 and 1,522.98

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Solution

The fourth proportional to 2,420.12, 3,337.97 and 1,522.98 is: 2,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.12 : 3,337.97 = 1,522.98 : x
  2. Step 2: Convert to fraction form
    2,420.12/3,337.97 = 1,522.98/x
  3. Step 3: Cross multiply
    2,420.12x = 3,337.97 × 1,522.98
  4. Step 4: Simplify right side
    2,420.12x = 5,083,653.94
  5. Step 5: Solve for x
    x = 5,083,653.94/2,420.12
  6. Step 6: Final answer
    x = 2,100.58

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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.