Home / 1,674.49-2,309.64-1,149.61

Finding the Fourth Proportional to 1,674.49, 2,309.64 and 1,149.61

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Solution

The fourth proportional to 1,674.49, 2,309.64 and 1,149.61 is: 1,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.49 : 2,309.64 = 1,149.61 : x
  2. Step 2: Convert to fraction form
    1,674.49/2,309.64 = 1,149.61/x
  3. Step 3: Cross multiply
    1,674.49x = 2,309.64 × 1,149.61
  4. Step 4: Simplify right side
    1,674.49x = 2,655,185.24
  5. Step 5: Solve for x
    x = 2,655,185.24/1,674.49
  6. Step 6: Final answer
    x = 1,585.67

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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.