Home / 1,433.03-2,150.52-611.52

Finding the Fourth Proportional to 1,433.03, 2,150.52 and 611.52

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Solution

The fourth proportional to 1,433.03, 2,150.52 and 611.52 is: 917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.03 : 2,150.52 = 611.52 : x
  2. Step 2: Convert to fraction form
    1,433.03/2,150.52 = 611.52/x
  3. Step 3: Cross multiply
    1,433.03x = 2,150.52 × 611.52
  4. Step 4: Simplify right side
    1,433.03x = 1,315,075.63
  5. Step 5: Solve for x
    x = 1,315,075.63/1,433.03
  6. Step 6: Final answer
    x = 917.69

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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.