Home / 2,927.18-4,039.28-1,668.18

Finding the Fourth Proportional to 2,927.18, 4,039.28 and 1,668.18

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Solution

The fourth proportional to 2,927.18, 4,039.28 and 1,668.18 is: 2,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.18 : 4,039.28 = 1,668.18 : x
  2. Step 2: Convert to fraction form
    2,927.18/4,039.28 = 1,668.18/x
  3. Step 3: Cross multiply
    2,927.18x = 4,039.28 × 1,668.18
  4. Step 4: Simplify right side
    2,927.18x = 6,738,237.77
  5. Step 5: Solve for x
    x = 6,738,237.77/2,927.18
  6. Step 6: Final answer
    x = 2,301.96

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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.