Home / 1,673.15-2,309.03-964.73

Finding the Fourth Proportional to 1,673.15, 2,309.03 and 964.73

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Solution

The fourth proportional to 1,673.15, 2,309.03 and 964.73 is: 1,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.15 : 2,309.03 = 964.73 : x
  2. Step 2: Convert to fraction form
    1,673.15/2,309.03 = 964.73/x
  3. Step 3: Cross multiply
    1,673.15x = 2,309.03 × 964.73
  4. Step 4: Simplify right side
    1,673.15x = 2,227,574.14
  5. Step 5: Solve for x
    x = 2,227,574.14/1,673.15
  6. Step 6: Final answer
    x = 1,331.37

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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.