Home / 3,313.20-4,971.15-1,670.22

Finding the Fourth Proportional to 3,313.20, 4,971.15 and 1,670.22

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Solution

The fourth proportional to 3,313.20, 4,971.15 and 1,670.22 is: 2,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.20 : 4,971.15 = 1,670.22 : x
  2. Step 2: Convert to fraction form
    3,313.20/4,971.15 = 1,670.22/x
  3. Step 3: Cross multiply
    3,313.20x = 4,971.15 × 1,670.22
  4. Step 4: Simplify right side
    3,313.20x = 8,302,914.15
  5. Step 5: Solve for x
    x = 8,302,914.15/3,313.20
  6. Step 6: Final answer
    x = 2,506.01

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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.