Home / 1,759.51-2,431.34-1,674.11

Finding the Fourth Proportional to 1,759.51, 2,431.34 and 1,674.11

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Solution

The fourth proportional to 1,759.51, 2,431.34 and 1,674.11 is: 2,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.51 : 2,431.34 = 1,674.11 : x
  2. Step 2: Convert to fraction form
    1,759.51/2,431.34 = 1,674.11/x
  3. Step 3: Cross multiply
    1,759.51x = 2,431.34 × 1,674.11
  4. Step 4: Simplify right side
    1,759.51x = 4,070,334.59
  5. Step 5: Solve for x
    x = 4,070,334.59/1,759.51
  6. Step 6: Final answer
    x = 2,313.33

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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.