Home / 1,277.68-1,916.94-1,049.08

Finding the Fourth Proportional to 1,277.68, 1,916.94 and 1,049.08

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Solution

The fourth proportional to 1,277.68, 1,916.94 and 1,049.08 is: 1,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.68 : 1,916.94 = 1,049.08 : x
  2. Step 2: Convert to fraction form
    1,277.68/1,916.94 = 1,049.08/x
  3. Step 3: Cross multiply
    1,277.68x = 1,916.94 × 1,049.08
  4. Step 4: Simplify right side
    1,277.68x = 2,011,023.42
  5. Step 5: Solve for x
    x = 2,011,023.42/1,277.68
  6. Step 6: Final answer
    x = 1,573.96

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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.