Home / 3,003.63-4,146.96-2,688.35

Finding the Fourth Proportional to 3,003.63, 4,146.96 and 2,688.35

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Solution

The fourth proportional to 3,003.63, 4,146.96 and 2,688.35 is: 3,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.63 : 4,146.96 = 2,688.35 : x
  2. Step 2: Convert to fraction form
    3,003.63/4,146.96 = 2,688.35/x
  3. Step 3: Cross multiply
    3,003.63x = 4,146.96 × 2,688.35
  4. Step 4: Simplify right side
    3,003.63x = 11,148,473.36
  5. Step 5: Solve for x
    x = 11,148,473.36/3,003.63
  6. Step 6: Final answer
    x = 3,711.66

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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.