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Finding the Fourth Proportional to 1,743.93, 2,406.51 and 957.93

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Solution

The fourth proportional to 1,743.93, 2,406.51 and 957.93 is: 1,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.93 : 2,406.51 = 957.93 : x
  2. Step 2: Convert to fraction form
    1,743.93/2,406.51 = 957.93/x
  3. Step 3: Cross multiply
    1,743.93x = 2,406.51 × 957.93
  4. Step 4: Simplify right side
    1,743.93x = 2,305,259.10
  5. Step 5: Solve for x
    x = 2,305,259.10/1,743.93
  6. Step 6: Final answer
    x = 1,321.88

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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.