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Finding the Fourth Proportional to 2,826.03, 4,237.92 and 877.71

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Solution

The fourth proportional to 2,826.03, 4,237.92 and 877.71 is: 1,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.03 : 4,237.92 = 877.71 : x
  2. Step 2: Convert to fraction form
    2,826.03/4,237.92 = 877.71/x
  3. Step 3: Cross multiply
    2,826.03x = 4,237.92 × 877.71
  4. Step 4: Simplify right side
    2,826.03x = 3,719,664.76
  5. Step 5: Solve for x
    x = 3,719,664.76/2,826.03
  6. Step 6: Final answer
    x = 1,316.22

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1.5x scale

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.