Home / 3,113.82-4,670.73-2,958.10

Finding the Fourth Proportional to 3,113.82, 4,670.73 and 2,958.10

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Solution

The fourth proportional to 3,113.82, 4,670.73 and 2,958.10 is: 4,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.82 : 4,670.73 = 2,958.10 : x
  2. Step 2: Convert to fraction form
    3,113.82/4,670.73 = 2,958.10/x
  3. Step 3: Cross multiply
    3,113.82x = 4,670.73 × 2,958.10
  4. Step 4: Simplify right side
    3,113.82x = 13,816,486.41
  5. Step 5: Solve for x
    x = 13,816,486.41/3,113.82
  6. Step 6: Final answer
    x = 4,437.15

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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.