Home / 1,760.05-2,431.72-1,742.77

Finding the Fourth Proportional to 1,760.05, 2,431.72 and 1,742.77

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Solution

The fourth proportional to 1,760.05, 2,431.72 and 1,742.77 is: 2,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.05 : 2,431.72 = 1,742.77 : x
  2. Step 2: Convert to fraction form
    1,760.05/2,431.72 = 1,742.77/x
  3. Step 3: Cross multiply
    1,760.05x = 2,431.72 × 1,742.77
  4. Step 4: Simplify right side
    1,760.05x = 4,237,928.66
  5. Step 5: Solve for x
    x = 4,237,928.66/1,760.05
  6. Step 6: Final answer
    x = 2,407.85

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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.