Home / 2,048.40-2,825.32-1,262.80

Finding the Fourth Proportional to 2,048.40, 2,825.32 and 1,262.80

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Solution

The fourth proportional to 2,048.40, 2,825.32 and 1,262.80 is: 1,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.40 : 2,825.32 = 1,262.80 : x
  2. Step 2: Convert to fraction form
    2,048.40/2,825.32 = 1,262.80/x
  3. Step 3: Cross multiply
    2,048.40x = 2,825.32 × 1,262.80
  4. Step 4: Simplify right side
    2,048.40x = 3,567,814.10
  5. Step 5: Solve for x
    x = 3,567,814.10/2,048.40
  6. Step 6: Final answer
    x = 1,741.76

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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.