Home / 2,623.29-3,937.37-1,325.67

Finding the Fourth Proportional to 2,623.29, 3,937.37 and 1,325.67

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Solution

The fourth proportional to 2,623.29, 3,937.37 and 1,325.67 is: 1,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.29 : 3,937.37 = 1,325.67 : x
  2. Step 2: Convert to fraction form
    2,623.29/3,937.37 = 1,325.67/x
  3. Step 3: Cross multiply
    2,623.29x = 3,937.37 × 1,325.67
  4. Step 4: Simplify right side
    2,623.29x = 5,219,646.66
  5. Step 5: Solve for x
    x = 5,219,646.66/2,623.29
  6. Step 6: Final answer
    x = 1,989.73

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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.