Home / 1,150.24-1,577.93-1,121.08

Finding the Fourth Proportional to 1,150.24, 1,577.93 and 1,121.08

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Solution

The fourth proportional to 1,150.24, 1,577.93 and 1,121.08 is: 1,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.24 : 1,577.93 = 1,121.08 : x
  2. Step 2: Convert to fraction form
    1,150.24/1,577.93 = 1,121.08/x
  3. Step 3: Cross multiply
    1,150.24x = 1,577.93 × 1,121.08
  4. Step 4: Simplify right side
    1,150.24x = 1,768,985.76
  5. Step 5: Solve for x
    x = 1,768,985.76/1,150.24
  6. Step 6: Final answer
    x = 1,537.93

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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.