Home / 3,165.13-4,750.58-1,606.21

Finding the Fourth Proportional to 3,165.13, 4,750.58 and 1,606.21

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Solution

The fourth proportional to 3,165.13, 4,750.58 and 1,606.21 is: 2,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.13 : 4,750.58 = 1,606.21 : x
  2. Step 2: Convert to fraction form
    3,165.13/4,750.58 = 1,606.21/x
  3. Step 3: Cross multiply
    3,165.13x = 4,750.58 × 1,606.21
  4. Step 4: Simplify right side
    3,165.13x = 7,630,429.10
  5. Step 5: Solve for x
    x = 7,630,429.10/3,165.13
  6. Step 6: Final answer
    x = 2,410.78

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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.