Home / 4,290.11-5,920.21-2,522.89

Finding the Fourth Proportional to 4,290.11, 5,920.21 and 2,522.89

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Solution

The fourth proportional to 4,290.11, 5,920.21 and 2,522.89 is: 3,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.11 : 5,920.21 = 2,522.89 : x
  2. Step 2: Convert to fraction form
    4,290.11/5,920.21 = 2,522.89/x
  3. Step 3: Cross multiply
    4,290.11x = 5,920.21 × 2,522.89
  4. Step 4: Simplify right side
    4,290.11x = 14,936,017.50
  5. Step 5: Solve for x
    x = 14,936,017.50/4,290.11
  6. Step 6: Final answer
    x = 3,481.50

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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.