Home / 4,290.39-5,920.68-2,401.98

Finding the Fourth Proportional to 4,290.39, 5,920.68 and 2,401.98

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Solution

The fourth proportional to 4,290.39, 5,920.68 and 2,401.98 is: 3,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.39 : 5,920.68 = 2,401.98 : x
  2. Step 2: Convert to fraction form
    4,290.39/5,920.68 = 2,401.98/x
  3. Step 3: Cross multiply
    4,290.39x = 5,920.68 × 2,401.98
  4. Step 4: Simplify right side
    4,290.39x = 14,221,351.65
  5. Step 5: Solve for x
    x = 14,221,351.65/4,290.39
  6. Step 6: Final answer
    x = 3,314.70

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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.