Home / 1,669.44-2,303.85-923.49

Finding the Fourth Proportional to 1,669.44, 2,303.85 and 923.49

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Solution

The fourth proportional to 1,669.44, 2,303.85 and 923.49 is: 1,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.44 : 2,303.85 = 923.49 : x
  2. Step 2: Convert to fraction form
    1,669.44/2,303.85 = 923.49/x
  3. Step 3: Cross multiply
    1,669.44x = 2,303.85 × 923.49
  4. Step 4: Simplify right side
    1,669.44x = 2,127,582.44
  5. Step 5: Solve for x
    x = 2,127,582.44/1,669.44
  6. Step 6: Final answer
    x = 1,274.43

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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.