Home / 1,559.08-2,151.56-850.93

Finding the Fourth Proportional to 1,559.08, 2,151.56 and 850.93

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Solution

The fourth proportional to 1,559.08, 2,151.56 and 850.93 is: 1,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.08 : 2,151.56 = 850.93 : x
  2. Step 2: Convert to fraction form
    1,559.08/2,151.56 = 850.93/x
  3. Step 3: Cross multiply
    1,559.08x = 2,151.56 × 850.93
  4. Step 4: Simplify right side
    1,559.08x = 1,830,826.95
  5. Step 5: Solve for x
    x = 1,830,826.95/1,559.08
  6. Step 6: Final answer
    x = 1,174.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.