Home / 2,461.81-3,396.44-1,578.10

Finding the Fourth Proportional to 2,461.81, 3,396.44 and 1,578.10

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Solution

The fourth proportional to 2,461.81, 3,396.44 and 1,578.10 is: 2,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.81 : 3,396.44 = 1,578.10 : x
  2. Step 2: Convert to fraction form
    2,461.81/3,396.44 = 1,578.10/x
  3. Step 3: Cross multiply
    2,461.81x = 3,396.44 × 1,578.10
  4. Step 4: Simplify right side
    2,461.81x = 5,359,921.96
  5. Step 5: Solve for x
    x = 5,359,921.96/2,461.81
  6. Step 6: Final answer
    x = 2,177.23

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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.