Home / 1,673.35-2,309.22-927.37

Finding the Fourth Proportional to 1,673.35, 2,309.22 and 927.37

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Solution

The fourth proportional to 1,673.35, 2,309.22 and 927.37 is: 1,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.35 : 2,309.22 = 927.37 : x
  2. Step 2: Convert to fraction form
    1,673.35/2,309.22 = 927.37/x
  3. Step 3: Cross multiply
    1,673.35x = 2,309.22 × 927.37
  4. Step 4: Simplify right side
    1,673.35x = 2,141,501.35
  5. Step 5: Solve for x
    x = 2,141,501.35/1,673.35
  6. Step 6: Final answer
    x = 1,279.77

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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.