Home / 1,901.92-2,623.44-1,677.28

Finding the Fourth Proportional to 1,901.92, 2,623.44 and 1,677.28

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Solution

The fourth proportional to 1,901.92, 2,623.44 and 1,677.28 is: 2,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.92 : 2,623.44 = 1,677.28 : x
  2. Step 2: Convert to fraction form
    1,901.92/2,623.44 = 1,677.28/x
  3. Step 3: Cross multiply
    1,901.92x = 2,623.44 × 1,677.28
  4. Step 4: Simplify right side
    1,901.92x = 4,400,243.44
  5. Step 5: Solve for x
    x = 4,400,243.44/1,901.92
  6. Step 6: Final answer
    x = 2,313.58

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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.