Home / 1,739.19-2,606.49-1,327.08

Finding the Fourth Proportional to 1,739.19, 2,606.49 and 1,327.08

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Solution

The fourth proportional to 1,739.19, 2,606.49 and 1,327.08 is: 1,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.19 : 2,606.49 = 1,327.08 : x
  2. Step 2: Convert to fraction form
    1,739.19/2,606.49 = 1,327.08/x
  3. Step 3: Cross multiply
    1,739.19x = 2,606.49 × 1,327.08
  4. Step 4: Simplify right side
    1,739.19x = 3,459,020.75
  5. Step 5: Solve for x
    x = 3,459,020.75/1,739.19
  6. Step 6: Final answer
    x = 1,988.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.