Home / 3,286.85-4,536.26-1,870.88

Finding the Fourth Proportional to 3,286.85, 4,536.26 and 1,870.88

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Solution

The fourth proportional to 3,286.85, 4,536.26 and 1,870.88 is: 2,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.85 : 4,536.26 = 1,870.88 : x
  2. Step 2: Convert to fraction form
    3,286.85/4,536.26 = 1,870.88/x
  3. Step 3: Cross multiply
    3,286.85x = 4,536.26 × 1,870.88
  4. Step 4: Simplify right side
    3,286.85x = 8,486,800.10
  5. Step 5: Solve for x
    x = 8,486,800.10/3,286.85
  6. Step 6: Final answer
    x = 2,582.05

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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.