Home / 1,291.08-1,933.14-1,029.84

Finding the Fourth Proportional to 1,291.08, 1,933.14 and 1,029.84

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Solution

The fourth proportional to 1,291.08, 1,933.14 and 1,029.84 is: 1,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291.08 : 1,933.14 = 1,029.84 : x
  2. Step 2: Convert to fraction form
    1,291.08/1,933.14 = 1,029.84/x
  3. Step 3: Cross multiply
    1,291.08x = 1,933.14 × 1,029.84
  4. Step 4: Simplify right side
    1,291.08x = 1,990,824.90
  5. Step 5: Solve for x
    x = 1,990,824.90/1,291.08
  6. Step 6: Final answer
    x = 1,541.98

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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.