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Finding the Fourth Proportional to 3,153.72, 4,352.07 and 1,827.39

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Solution

The fourth proportional to 3,153.72, 4,352.07 and 1,827.39 is: 2,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.72 : 4,352.07 = 1,827.39 : x
  2. Step 2: Convert to fraction form
    3,153.72/4,352.07 = 1,827.39/x
  3. Step 3: Cross multiply
    3,153.72x = 4,352.07 × 1,827.39
  4. Step 4: Simplify right side
    3,153.72x = 7,952,929.20
  5. Step 5: Solve for x
    x = 7,952,929.20/3,153.72
  6. Step 6: Final answer
    x = 2,521.76

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1.5x scale

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.