Home / 1,751.12-2,416.45-1,162.72

Finding the Fourth Proportional to 1,751.12, 2,416.45 and 1,162.72

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Solution

The fourth proportional to 1,751.12, 2,416.45 and 1,162.72 is: 1,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.12 : 2,416.45 = 1,162.72 : x
  2. Step 2: Convert to fraction form
    1,751.12/2,416.45 = 1,162.72/x
  3. Step 3: Cross multiply
    1,751.12x = 2,416.45 × 1,162.72
  4. Step 4: Simplify right side
    1,751.12x = 2,809,636.85
  5. Step 5: Solve for x
    x = 2,809,636.85/1,751.12
  6. Step 6: Final answer
    x = 1,604.48

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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.