Home / 2,541.71-3,813.65-1,429.79

Finding the Fourth Proportional to 2,541.71, 3,813.65 and 1,429.79

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Solution

The fourth proportional to 2,541.71, 3,813.65 and 1,429.79 is: 2,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.71 : 3,813.65 = 1,429.79 : x
  2. Step 2: Convert to fraction form
    2,541.71/3,813.65 = 1,429.79/x
  3. Step 3: Cross multiply
    2,541.71x = 3,813.65 × 1,429.79
  4. Step 4: Simplify right side
    2,541.71x = 5,452,692.42
  5. Step 5: Solve for x
    x = 5,452,692.42/2,541.71
  6. Step 6: Final answer
    x = 2,145.29

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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.