Home / 1,170.24-1,603.49-1,159.44

Finding the Fourth Proportional to 1,170.24, 1,603.49 and 1,159.44

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Solution

The fourth proportional to 1,170.24, 1,603.49 and 1,159.44 is: 1,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.24 : 1,603.49 = 1,159.44 : x
  2. Step 2: Convert to fraction form
    1,170.24/1,603.49 = 1,159.44/x
  3. Step 3: Cross multiply
    1,170.24x = 1,603.49 × 1,159.44
  4. Step 4: Simplify right side
    1,170.24x = 1,859,144.65
  5. Step 5: Solve for x
    x = 1,859,144.65/1,170.24
  6. Step 6: Final answer
    x = 1,588.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.