Home / 3,314.70-4,964.85-2,666.70

Finding the Fourth Proportional to 3,314.70, 4,964.85 and 2,666.70

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Solution

The fourth proportional to 3,314.70, 4,964.85 and 2,666.70 is: 3,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.70 : 4,964.85 = 2,666.70 : x
  2. Step 2: Convert to fraction form
    3,314.70/4,964.85 = 2,666.70/x
  3. Step 3: Cross multiply
    3,314.70x = 4,964.85 × 2,666.70
  4. Step 4: Simplify right side
    3,314.70x = 13,239,765.50
  5. Step 5: Solve for x
    x = 13,239,765.50/3,314.70
  6. Step 6: Final answer
    x = 3,994.26

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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.