Home / 2,927.22-4,389.93-1,539.79

Finding the Fourth Proportional to 2,927.22, 4,389.93 and 1,539.79

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Solution

The fourth proportional to 2,927.22, 4,389.93 and 1,539.79 is: 2,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.22 : 4,389.93 = 1,539.79 : x
  2. Step 2: Convert to fraction form
    2,927.22/4,389.93 = 1,539.79/x
  3. Step 3: Cross multiply
    2,927.22x = 4,389.93 × 1,539.79
  4. Step 4: Simplify right side
    2,927.22x = 6,759,559.34
  5. Step 5: Solve for x
    x = 6,759,559.34/2,927.22
  6. Step 6: Final answer
    x = 2,309.21

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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.