Home / 3,390.04-4,676.34-1,992.52

Finding the Fourth Proportional to 3,390.04, 4,676.34 and 1,992.52

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Solution

The fourth proportional to 3,390.04, 4,676.34 and 1,992.52 is: 2,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.04 : 4,676.34 = 1,992.52 : x
  2. Step 2: Convert to fraction form
    3,390.04/4,676.34 = 1,992.52/x
  3. Step 3: Cross multiply
    3,390.04x = 4,676.34 × 1,992.52
  4. Step 4: Simplify right side
    3,390.04x = 9,317,700.98
  5. Step 5: Solve for x
    x = 9,317,700.98/3,390.04
  6. Step 6: Final answer
    x = 2,748.55

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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.