Home / 2,074.88-3,126.55-1,717.68

Finding the Fourth Proportional to 2,074.88, 3,126.55 and 1,717.68

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Solution

The fourth proportional to 2,074.88, 3,126.55 and 1,717.68 is: 2,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.88 : 3,126.55 = 1,717.68 : x
  2. Step 2: Convert to fraction form
    2,074.88/3,126.55 = 1,717.68/x
  3. Step 3: Cross multiply
    2,074.88x = 3,126.55 × 1,717.68
  4. Step 4: Simplify right side
    2,074.88x = 5,370,412.40
  5. Step 5: Solve for x
    x = 5,370,412.40/2,074.88
  6. Step 6: Final answer
    x = 2,588.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.