Home / 2,681.43-4,021.34-1,585.50

Finding the Fourth Proportional to 2,681.43, 4,021.34 and 1,585.50

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Solution

The fourth proportional to 2,681.43, 4,021.34 and 1,585.50 is: 2,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.43 : 4,021.34 = 1,585.50 : x
  2. Step 2: Convert to fraction form
    2,681.43/4,021.34 = 1,585.50/x
  3. Step 3: Cross multiply
    2,681.43x = 4,021.34 × 1,585.50
  4. Step 4: Simplify right side
    2,681.43x = 6,375,826.64
  5. Step 5: Solve for x
    x = 6,375,826.64/2,681.43
  6. Step 6: Final answer
    x = 2,377.77

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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.