Home / 4,170.89-6,256.64-1,705.76

Finding the Fourth Proportional to 4,170.89, 6,256.64 and 1,705.76

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Solution

The fourth proportional to 4,170.89, 6,256.64 and 1,705.76 is: 2,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.89 : 6,256.64 = 1,705.76 : x
  2. Step 2: Convert to fraction form
    4,170.89/6,256.64 = 1,705.76/x
  3. Step 3: Cross multiply
    4,170.89x = 6,256.64 × 1,705.76
  4. Step 4: Simplify right side
    4,170.89x = 10,672,322.69
  5. Step 5: Solve for x
    x = 10,672,322.69/4,170.89
  6. Step 6: Final answer
    x = 2,558.76

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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.