Home / 1,759.30-2,428.77-1,659.70

Finding the Fourth Proportional to 1,759.30, 2,428.77 and 1,659.70

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Solution

The fourth proportional to 1,759.30, 2,428.77 and 1,659.70 is: 2,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.30 : 2,428.77 = 1,659.70 : x
  2. Step 2: Convert to fraction form
    1,759.30/2,428.77 = 1,659.70/x
  3. Step 3: Cross multiply
    1,759.30x = 2,428.77 × 1,659.70
  4. Step 4: Simplify right side
    1,759.30x = 4,031,029.57
  5. Step 5: Solve for x
    x = 4,031,029.57/1,759.30
  6. Step 6: Final answer
    x = 2,291.27

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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.