Home / 1,669.12-2,303.36-923.02

Finding the Fourth Proportional to 1,669.12, 2,303.36 and 923.02

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Solution

The fourth proportional to 1,669.12, 2,303.36 and 923.02 is: 1,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.12 : 2,303.36 = 923.02 : x
  2. Step 2: Convert to fraction form
    1,669.12/2,303.36 = 923.02/x
  3. Step 3: Cross multiply
    1,669.12x = 2,303.36 × 923.02
  4. Step 4: Simplify right side
    1,669.12x = 2,126,047.35
  5. Step 5: Solve for x
    x = 2,126,047.35/1,669.12
  6. Step 6: Final answer
    x = 1,273.75

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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.