Home / 1,748.70-2,412.92-1,002.58

Finding the Fourth Proportional to 1,748.70, 2,412.92 and 1,002.58

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Solution

The fourth proportional to 1,748.70, 2,412.92 and 1,002.58 is: 1,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.70 : 2,412.92 = 1,002.58 : x
  2. Step 2: Convert to fraction form
    1,748.70/2,412.92 = 1,002.58/x
  3. Step 3: Cross multiply
    1,748.70x = 2,412.92 × 1,002.58
  4. Step 4: Simplify right side
    1,748.70x = 2,419,145.33
  5. Step 5: Solve for x
    x = 2,419,145.33/1,748.70
  6. Step 6: Final answer
    x = 1,383.40

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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.