Home / 1,291.93-1,934.46-1,030.19

Finding the Fourth Proportional to 1,291.93, 1,934.46 and 1,030.19

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Solution

The fourth proportional to 1,291.93, 1,934.46 and 1,030.19 is: 1,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291.93 : 1,934.46 = 1,030.19 : x
  2. Step 2: Convert to fraction form
    1,291.93/1,934.46 = 1,030.19/x
  3. Step 3: Cross multiply
    1,291.93x = 1,934.46 × 1,030.19
  4. Step 4: Simplify right side
    1,291.93x = 1,992,851.68
  5. Step 5: Solve for x
    x = 1,992,851.68/1,291.93
  6. Step 6: Final answer
    x = 1,542.54

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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.