Home / 2,860.20-4,290.24-2,392.74

Finding the Fourth Proportional to 2,860.20, 4,290.24 and 2,392.74

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Solution

The fourth proportional to 2,860.20, 4,290.24 and 2,392.74 is: 3,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.20 : 4,290.24 = 2,392.74 : x
  2. Step 2: Convert to fraction form
    2,860.20/4,290.24 = 2,392.74/x
  3. Step 3: Cross multiply
    2,860.20x = 4,290.24 × 2,392.74
  4. Step 4: Simplify right side
    2,860.20x = 10,265,428.86
  5. Step 5: Solve for x
    x = 10,265,428.86/2,860.20
  6. Step 6: Final answer
    x = 3,589.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.