Home / 1,748.07-2,412.86-1,118.97

Finding the Fourth Proportional to 1,748.07, 2,412.86 and 1,118.97

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Solution

The fourth proportional to 1,748.07, 2,412.86 and 1,118.97 is: 1,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.07 : 2,412.86 = 1,118.97 : x
  2. Step 2: Convert to fraction form
    1,748.07/2,412.86 = 1,118.97/x
  3. Step 3: Cross multiply
    1,748.07x = 2,412.86 × 1,118.97
  4. Step 4: Simplify right side
    1,748.07x = 2,699,912.36
  5. Step 5: Solve for x
    x = 2,699,912.36/1,748.07
  6. Step 6: Final answer
    x = 1,544.51

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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.