Home / 1,739.03-2,603.36-1,120.91

Finding the Fourth Proportional to 1,739.03, 2,603.36 and 1,120.91

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Solution

The fourth proportional to 1,739.03, 2,603.36 and 1,120.91 is: 1,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.03 : 2,603.36 = 1,120.91 : x
  2. Step 2: Convert to fraction form
    1,739.03/2,603.36 = 1,120.91/x
  3. Step 3: Cross multiply
    1,739.03x = 2,603.36 × 1,120.91
  4. Step 4: Simplify right side
    1,739.03x = 2,918,122.04
  5. Step 5: Solve for x
    x = 2,918,122.04/1,739.03
  6. Step 6: Final answer
    x = 1,678.02

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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.