Home / 3,923.12-5,884.68-1,613

Finding the Fourth Proportional to 3,923.12, 5,884.68 and 1,613

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Solution

The fourth proportional to 3,923.12, 5,884.68 and 1,613 is: 2,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.12 : 5,884.68 = 1,613 : x
  2. Step 2: Convert to fraction form
    3,923.12/5,884.68 = 1,613/x
  3. Step 3: Cross multiply
    3,923.12x = 5,884.68 × 1,613
  4. Step 4: Simplify right side
    3,923.12x = 9,491,988.84
  5. Step 5: Solve for x
    x = 9,491,988.84/3,923.12
  6. Step 6: Final answer
    x = 2,419.50

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Half scale
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Double scale
Find fourth proportional to 3,924.12, 5,886.18 and 1,614
Similar ratio
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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.