Home / 3,904.76-5,386.68-2,412.14

Finding the Fourth Proportional to 3,904.76, 5,386.68 and 2,412.14

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Solution

The fourth proportional to 3,904.76, 5,386.68 and 2,412.14 is: 3,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.76 : 5,386.68 = 2,412.14 : x
  2. Step 2: Convert to fraction form
    3,904.76/5,386.68 = 2,412.14/x
  3. Step 3: Cross multiply
    3,904.76x = 5,386.68 × 2,412.14
  4. Step 4: Simplify right side
    3,904.76x = 12,993,399.36
  5. Step 5: Solve for x
    x = 12,993,399.36/3,904.76
  6. Step 6: Final answer
    x = 3,327.58

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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.