Home / 2,810.05-4,214.30-835.67

Finding the Fourth Proportional to 2,810.05, 4,214.30 and 835.67

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Solution

The fourth proportional to 2,810.05, 4,214.30 and 835.67 is: 1,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.05 : 4,214.30 = 835.67 : x
  2. Step 2: Convert to fraction form
    2,810.05/4,214.30 = 835.67/x
  3. Step 3: Cross multiply
    2,810.05x = 4,214.30 × 835.67
  4. Step 4: Simplify right side
    2,810.05x = 3,521,776.71
  5. Step 5: Solve for x
    x = 3,521,776.71/2,810.05
  6. Step 6: Final answer
    x = 1,253.28

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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.