Home / 1,669.49-2,303.92-923.43

Finding the Fourth Proportional to 1,669.49, 2,303.92 and 923.43

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Solution

The fourth proportional to 1,669.49, 2,303.92 and 923.43 is: 1,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.49 : 2,303.92 = 923.43 : x
  2. Step 2: Convert to fraction form
    1,669.49/2,303.92 = 923.43/x
  3. Step 3: Cross multiply
    1,669.49x = 2,303.92 × 923.43
  4. Step 4: Simplify right side
    1,669.49x = 2,127,496.60
  5. Step 5: Solve for x
    x = 2,127,496.60/1,669.49
  6. Step 6: Final answer
    x = 1,274.34

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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.