Home / 2,389.44-3,296.20-1,549.08

Finding the Fourth Proportional to 2,389.44, 3,296.20 and 1,549.08

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Solution

The fourth proportional to 2,389.44, 3,296.20 and 1,549.08 is: 2,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.44 : 3,296.20 = 1,549.08 : x
  2. Step 2: Convert to fraction form
    2,389.44/3,296.20 = 1,549.08/x
  3. Step 3: Cross multiply
    2,389.44x = 3,296.20 × 1,549.08
  4. Step 4: Simplify right side
    2,389.44x = 5,106,077.50
  5. Step 5: Solve for x
    x = 5,106,077.50/2,389.44
  6. Step 6: Final answer
    x = 2,136.93

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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.