Home / 2,177.32-3,004.65-1,233.28

Finding the Fourth Proportional to 2,177.32, 3,004.65 and 1,233.28

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Solution

The fourth proportional to 2,177.32, 3,004.65 and 1,233.28 is: 1,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.32 : 3,004.65 = 1,233.28 : x
  2. Step 2: Convert to fraction form
    2,177.32/3,004.65 = 1,233.28/x
  3. Step 3: Cross multiply
    2,177.32x = 3,004.65 × 1,233.28
  4. Step 4: Simplify right side
    2,177.32x = 3,705,574.75
  5. Step 5: Solve for x
    x = 3,705,574.75/2,177.32
  6. Step 6: Final answer
    x = 1,701.90

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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.