Home / 1,601.63-2,208.43-1,305.98

Finding the Fourth Proportional to 1,601.63, 2,208.43 and 1,305.98

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Solution

The fourth proportional to 1,601.63, 2,208.43 and 1,305.98 is: 1,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.63 : 2,208.43 = 1,305.98 : x
  2. Step 2: Convert to fraction form
    1,601.63/2,208.43 = 1,305.98/x
  3. Step 3: Cross multiply
    1,601.63x = 2,208.43 × 1,305.98
  4. Step 4: Simplify right side
    1,601.63x = 2,884,165.41
  5. Step 5: Solve for x
    x = 2,884,165.41/1,601.63
  6. Step 6: Final answer
    x = 1,800.77

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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.