Home / 2,699.18-4,045.88-1,927.34

Finding the Fourth Proportional to 2,699.18, 4,045.88 and 1,927.34

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Solution

The fourth proportional to 2,699.18, 4,045.88 and 1,927.34 is: 2,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.18 : 4,045.88 = 1,927.34 : x
  2. Step 2: Convert to fraction form
    2,699.18/4,045.88 = 1,927.34/x
  3. Step 3: Cross multiply
    2,699.18x = 4,045.88 × 1,927.34
  4. Step 4: Simplify right side
    2,699.18x = 7,797,786.36
  5. Step 5: Solve for x
    x = 7,797,786.36/2,699.18
  6. Step 6: Final answer
    x = 2,888.95

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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.