Home / 3,143.33-4,333.66-2,612.67

Finding the Fourth Proportional to 3,143.33, 4,333.66 and 2,612.67

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Solution

The fourth proportional to 3,143.33, 4,333.66 and 2,612.67 is: 3,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.33 : 4,333.66 = 2,612.67 : x
  2. Step 2: Convert to fraction form
    3,143.33/4,333.66 = 2,612.67/x
  3. Step 3: Cross multiply
    3,143.33x = 4,333.66 × 2,612.67
  4. Step 4: Simplify right side
    3,143.33x = 11,322,423.47
  5. Step 5: Solve for x
    x = 11,322,423.47/3,143.33
  6. Step 6: Final answer
    x = 3,602.05

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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.