Home / 1,528.05-2,290.46-1,161.93

Finding the Fourth Proportional to 1,528.05, 2,290.46 and 1,161.93

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Solution

The fourth proportional to 1,528.05, 2,290.46 and 1,161.93 is: 1,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.05 : 2,290.46 = 1,161.93 : x
  2. Step 2: Convert to fraction form
    1,528.05/2,290.46 = 1,161.93/x
  3. Step 3: Cross multiply
    1,528.05x = 2,290.46 × 1,161.93
  4. Step 4: Simplify right side
    1,528.05x = 2,661,348.38
  5. Step 5: Solve for x
    x = 2,661,348.38/1,528.05
  6. Step 6: Final answer
    x = 1,741.66

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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.