Home / 2,236.98-3,086.64-1,529.40

Finding the Fourth Proportional to 2,236.98, 3,086.64 and 1,529.40

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Solution

The fourth proportional to 2,236.98, 3,086.64 and 1,529.40 is: 2,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.98 : 3,086.64 = 1,529.40 : x
  2. Step 2: Convert to fraction form
    2,236.98/3,086.64 = 1,529.40/x
  3. Step 3: Cross multiply
    2,236.98x = 3,086.64 × 1,529.40
  4. Step 4: Simplify right side
    2,236.98x = 4,720,707.22
  5. Step 5: Solve for x
    x = 4,720,707.22/2,236.98
  6. Step 6: Final answer
    x = 2,110.30

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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.