Home / 3,207.56-4,811.16-1,126.76

Finding the Fourth Proportional to 3,207.56, 4,811.16 and 1,126.76

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Solution

The fourth proportional to 3,207.56, 4,811.16 and 1,126.76 is: 1,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.56 : 4,811.16 = 1,126.76 : x
  2. Step 2: Convert to fraction form
    3,207.56/4,811.16 = 1,126.76/x
  3. Step 3: Cross multiply
    3,207.56x = 4,811.16 × 1,126.76
  4. Step 4: Simplify right side
    3,207.56x = 5,421,022.64
  5. Step 5: Solve for x
    x = 5,421,022.64/3,207.56
  6. Step 6: Final answer
    x = 1,690.08

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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.