Home / 1,708.49-2,357.56-962.31

Finding the Fourth Proportional to 1,708.49, 2,357.56 and 962.31

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Solution

The fourth proportional to 1,708.49, 2,357.56 and 962.31 is: 1,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.49 : 2,357.56 = 962.31 : x
  2. Step 2: Convert to fraction form
    1,708.49/2,357.56 = 962.31/x
  3. Step 3: Cross multiply
    1,708.49x = 2,357.56 × 962.31
  4. Step 4: Simplify right side
    1,708.49x = 2,268,698.75
  5. Step 5: Solve for x
    x = 2,268,698.75/1,708.49
  6. Step 6: Final answer
    x = 1,327.90

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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.