Home / 3,154.77-4,354.34-1,829.21

Finding the Fourth Proportional to 3,154.77, 4,354.34 and 1,829.21

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Solution

The fourth proportional to 3,154.77, 4,354.34 and 1,829.21 is: 2,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.77 : 4,354.34 = 1,829.21 : x
  2. Step 2: Convert to fraction form
    3,154.77/4,354.34 = 1,829.21/x
  3. Step 3: Cross multiply
    3,154.77x = 4,354.34 × 1,829.21
  4. Step 4: Simplify right side
    3,154.77x = 7,964,971.35
  5. Step 5: Solve for x
    x = 7,964,971.35/3,154.77
  6. Step 6: Final answer
    x = 2,524.74

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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.