Home / 3,412.70-5,114.28-1,765.16

Finding the Fourth Proportional to 3,412.70, 5,114.28 and 1,765.16

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Solution

The fourth proportional to 3,412.70, 5,114.28 and 1,765.16 is: 2,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.70 : 5,114.28 = 1,765.16 : x
  2. Step 2: Convert to fraction form
    3,412.70/5,114.28 = 1,765.16/x
  3. Step 3: Cross multiply
    3,412.70x = 5,114.28 × 1,765.16
  4. Step 4: Simplify right side
    3,412.70x = 9,027,522.48
  5. Step 5: Solve for x
    x = 9,027,522.48/3,412.70
  6. Step 6: Final answer
    x = 2,645.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.