Home / 1,174.80-1,762.74-1,155.36

Finding the Fourth Proportional to 1,174.80, 1,762.74 and 1,155.36

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Solution

The fourth proportional to 1,174.80, 1,762.74 and 1,155.36 is: 1,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.80 : 1,762.74 = 1,155.36 : x
  2. Step 2: Convert to fraction form
    1,174.80/1,762.74 = 1,155.36/x
  3. Step 3: Cross multiply
    1,174.80x = 1,762.74 × 1,155.36
  4. Step 4: Simplify right side
    1,174.80x = 2,036,599.29
  5. Step 5: Solve for x
    x = 2,036,599.29/1,174.80
  6. Step 6: Final answer
    x = 1,733.57

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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.