Home / 1,927.18-2,658.99-1,367.74

Finding the Fourth Proportional to 1,927.18, 2,658.99 and 1,367.74

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Solution

The fourth proportional to 1,927.18, 2,658.99 and 1,367.74 is: 1,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.18 : 2,658.99 = 1,367.74 : x
  2. Step 2: Convert to fraction form
    1,927.18/2,658.99 = 1,367.74/x
  3. Step 3: Cross multiply
    1,927.18x = 2,658.99 × 1,367.74
  4. Step 4: Simplify right side
    1,927.18x = 3,636,806.98
  5. Step 5: Solve for x
    x = 3,636,806.98/1,927.18
  6. Step 6: Final answer
    x = 1,887.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.