Home / 2,109.40-3,164.10-1,523.17

Finding the Fourth Proportional to 2,109.40, 3,164.10 and 1,523.17

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Solution

The fourth proportional to 2,109.40, 3,164.10 and 1,523.17 is: 2,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.40 : 3,164.10 = 1,523.17 : x
  2. Step 2: Convert to fraction form
    2,109.40/3,164.10 = 1,523.17/x
  3. Step 3: Cross multiply
    2,109.40x = 3,164.10 × 1,523.17
  4. Step 4: Simplify right side
    2,109.40x = 4,819,462.20
  5. Step 5: Solve for x
    x = 4,819,462.20/2,109.40
  6. Step 6: Final answer
    x = 2,284.76

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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.