Home / 3,156.27-4,354.32-1,829.49

Finding the Fourth Proportional to 3,156.27, 4,354.32 and 1,829.49

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Solution

The fourth proportional to 3,156.27, 4,354.32 and 1,829.49 is: 2,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.27 : 4,354.32 = 1,829.49 : x
  2. Step 2: Convert to fraction form
    3,156.27/4,354.32 = 1,829.49/x
  3. Step 3: Cross multiply
    3,156.27x = 4,354.32 × 1,829.49
  4. Step 4: Simplify right side
    3,156.27x = 7,966,184.90
  5. Step 5: Solve for x
    x = 7,966,184.90/3,156.27
  6. Step 6: Final answer
    x = 2,523.92

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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.