Home / 2,301.63-3,178.91-1,674.97

Finding the Fourth Proportional to 2,301.63, 3,178.91 and 1,674.97

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Solution

The fourth proportional to 2,301.63, 3,178.91 and 1,674.97 is: 2,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.63 : 3,178.91 = 1,674.97 : x
  2. Step 2: Convert to fraction form
    2,301.63/3,178.91 = 1,674.97/x
  3. Step 3: Cross multiply
    2,301.63x = 3,178.91 × 1,674.97
  4. Step 4: Simplify right side
    2,301.63x = 5,324,575.12
  5. Step 5: Solve for x
    x = 5,324,575.12/2,301.63
  6. Step 6: Final answer
    x = 2,313.39

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1.5x scale

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.