Home / 1,661.63-2,293.26-962.87

Finding the Fourth Proportional to 1,661.63, 2,293.26 and 962.87

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Solution

The fourth proportional to 1,661.63, 2,293.26 and 962.87 is: 1,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.63 : 2,293.26 = 962.87 : x
  2. Step 2: Convert to fraction form
    1,661.63/2,293.26 = 962.87/x
  3. Step 3: Cross multiply
    1,661.63x = 2,293.26 × 962.87
  4. Step 4: Simplify right side
    1,661.63x = 2,208,111.26
  5. Step 5: Solve for x
    x = 2,208,111.26/1,661.63
  6. Step 6: Final answer
    x = 1,328.88

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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.