Home / 1,743.37-2,406.31-1,079.84

Finding the Fourth Proportional to 1,743.37, 2,406.31 and 1,079.84

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Solution

The fourth proportional to 1,743.37, 2,406.31 and 1,079.84 is: 1,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.37 : 2,406.31 = 1,079.84 : x
  2. Step 2: Convert to fraction form
    1,743.37/2,406.31 = 1,079.84/x
  3. Step 3: Cross multiply
    1,743.37x = 2,406.31 × 1,079.84
  4. Step 4: Simplify right side
    1,743.37x = 2,598,424.39
  5. Step 5: Solve for x
    x = 2,598,424.39/1,743.37
  6. Step 6: Final answer
    x = 1,490.46

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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.