Home / 3,145.64-4,341.16-1,748.36

Finding the Fourth Proportional to 3,145.64, 4,341.16 and 1,748.36

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Solution

The fourth proportional to 3,145.64, 4,341.16 and 1,748.36 is: 2,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.64 : 4,341.16 = 1,748.36 : x
  2. Step 2: Convert to fraction form
    3,145.64/4,341.16 = 1,748.36/x
  3. Step 3: Cross multiply
    3,145.64x = 4,341.16 × 1,748.36
  4. Step 4: Simplify right side
    3,145.64x = 7,589,910.50
  5. Step 5: Solve for x
    x = 7,589,910.50/3,145.64
  6. Step 6: Final answer
    x = 2,412.84

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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.