Home / 1,760.30-2,427.00-1,129.71

Finding the Fourth Proportional to 1,760.30, 2,427.00 and 1,129.71

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Solution

The fourth proportional to 1,760.30, 2,427.00 and 1,129.71 is: 1,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.30 : 2,427.00 = 1,129.71 : x
  2. Step 2: Convert to fraction form
    1,760.30/2,427.00 = 1,129.71/x
  3. Step 3: Cross multiply
    1,760.30x = 2,427.00 × 1,129.71
  4. Step 4: Simplify right side
    1,760.30x = 2,741,808.29
  5. Step 5: Solve for x
    x = 2,741,808.29/1,760.30
  6. Step 6: Final answer
    x = 1,557.58

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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.