Home / 1,744.02-2,403.20-1,620.99

Finding the Fourth Proportional to 1,744.02, 2,403.20 and 1,620.99

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Solution

The fourth proportional to 1,744.02, 2,403.20 and 1,620.99 is: 2,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.02 : 2,403.20 = 1,620.99 : x
  2. Step 2: Convert to fraction form
    1,744.02/2,403.20 = 1,620.99/x
  3. Step 3: Cross multiply
    1,744.02x = 2,403.20 × 1,620.99
  4. Step 4: Simplify right side
    1,744.02x = 3,895,563.17
  5. Step 5: Solve for x
    x = 3,895,563.17/1,744.02
  6. Step 6: Final answer
    x = 2,233.67

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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.