Home / 1,134.14-1,561.53-1,030.33

Finding the Fourth Proportional to 1,134.14, 1,561.53 and 1,030.33

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Solution

The fourth proportional to 1,134.14, 1,561.53 and 1,030.33 is: 1,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.14 : 1,561.53 = 1,030.33 : x
  2. Step 2: Convert to fraction form
    1,134.14/1,561.53 = 1,030.33/x
  3. Step 3: Cross multiply
    1,134.14x = 1,561.53 × 1,030.33
  4. Step 4: Simplify right side
    1,134.14x = 1,608,897.02
  5. Step 5: Solve for x
    x = 1,608,897.02/1,134.14
  6. Step 6: Final answer
    x = 1,418.60

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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.