Home / 2,835.13-4,252.55-860.67

Finding the Fourth Proportional to 2,835.13, 4,252.55 and 860.67

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Solution

The fourth proportional to 2,835.13, 4,252.55 and 860.67 is: 1,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.13 : 4,252.55 = 860.67 : x
  2. Step 2: Convert to fraction form
    2,835.13/4,252.55 = 860.67/x
  3. Step 3: Cross multiply
    2,835.13x = 4,252.55 × 860.67
  4. Step 4: Simplify right side
    2,835.13x = 3,660,044.36
  5. Step 5: Solve for x
    x = 3,660,044.36/2,835.13
  6. Step 6: Final answer
    x = 1,290.96

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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.