Home / 3,386.01-5,080.53-2,153.10

Finding the Fourth Proportional to 3,386.01, 5,080.53 and 2,153.10

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Solution

The fourth proportional to 3,386.01, 5,080.53 and 2,153.10 is: 3,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.01 : 5,080.53 = 2,153.10 : x
  2. Step 2: Convert to fraction form
    3,386.01/5,080.53 = 2,153.10/x
  3. Step 3: Cross multiply
    3,386.01x = 5,080.53 × 2,153.10
  4. Step 4: Simplify right side
    3,386.01x = 10,938,889.14
  5. Step 5: Solve for x
    x = 10,938,889.14/3,386.01
  6. Step 6: Final answer
    x = 3,230.61

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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.