Home / 1,742.76-2,405.10-1,044.36

Finding the Fourth Proportional to 1,742.76, 2,405.10 and 1,044.36

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Solution

The fourth proportional to 1,742.76, 2,405.10 and 1,044.36 is: 1,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.76 : 2,405.10 = 1,044.36 : x
  2. Step 2: Convert to fraction form
    1,742.76/2,405.10 = 1,044.36/x
  3. Step 3: Cross multiply
    1,742.76x = 2,405.10 × 1,044.36
  4. Step 4: Simplify right side
    1,742.76x = 2,511,790.24
  5. Step 5: Solve for x
    x = 2,511,790.24/1,742.76
  6. Step 6: Final answer
    x = 1,441.27

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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.