Home / 4,290.69-5,920.86-2,401.95

Finding the Fourth Proportional to 4,290.69, 5,920.86 and 2,401.95

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Solution

The fourth proportional to 4,290.69, 5,920.86 and 2,401.95 is: 3,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.69 : 5,920.86 = 2,401.95 : x
  2. Step 2: Convert to fraction form
    4,290.69/5,920.86 = 2,401.95/x
  3. Step 3: Cross multiply
    4,290.69x = 5,920.86 × 2,401.95
  4. Step 4: Simplify right side
    4,290.69x = 14,221,609.68
  5. Step 5: Solve for x
    x = 14,221,609.68/4,290.69
  6. Step 6: Final answer
    x = 3,314.53

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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.