Home / 1,742.75-2,609.33-1,124.92

Finding the Fourth Proportional to 1,742.75, 2,609.33 and 1,124.92

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Solution

The fourth proportional to 1,742.75, 2,609.33 and 1,124.92 is: 1,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.75 : 2,609.33 = 1,124.92 : x
  2. Step 2: Convert to fraction form
    1,742.75/2,609.33 = 1,124.92/x
  3. Step 3: Cross multiply
    1,742.75x = 2,609.33 × 1,124.92
  4. Step 4: Simplify right side
    1,742.75x = 2,935,287.50
  5. Step 5: Solve for x
    x = 2,935,287.50/1,742.75
  6. Step 6: Final answer
    x = 1,684.28

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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.