Home / 1,791.18-2,683.59-1,528.51

Finding the Fourth Proportional to 1,791.18, 2,683.59 and 1,528.51

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Solution

The fourth proportional to 1,791.18, 2,683.59 and 1,528.51 is: 2,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.18 : 2,683.59 = 1,528.51 : x
  2. Step 2: Convert to fraction form
    1,791.18/2,683.59 = 1,528.51/x
  3. Step 3: Cross multiply
    1,791.18x = 2,683.59 × 1,528.51
  4. Step 4: Simplify right side
    1,791.18x = 4,101,886.51
  5. Step 5: Solve for x
    x = 4,101,886.51/1,791.18
  6. Step 6: Final answer
    x = 2,290.05

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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.