Home / 1,950.95-2,927.64-1,129.61

Finding the Fourth Proportional to 1,950.95, 2,927.64 and 1,129.61

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Solution

The fourth proportional to 1,950.95, 2,927.64 and 1,129.61 is: 1,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.95 : 2,927.64 = 1,129.61 : x
  2. Step 2: Convert to fraction form
    1,950.95/2,927.64 = 1,129.61/x
  3. Step 3: Cross multiply
    1,950.95x = 2,927.64 × 1,129.61
  4. Step 4: Simplify right side
    1,950.95x = 3,307,076.78
  5. Step 5: Solve for x
    x = 3,307,076.78/1,950.95
  6. Step 6: Final answer
    x = 1,695.12

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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.