Home / 2,910.36-4,358.42-1,867.08

Finding the Fourth Proportional to 2,910.36, 4,358.42 and 1,867.08

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Solution

The fourth proportional to 2,910.36, 4,358.42 and 1,867.08 is: 2,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.36 : 4,358.42 = 1,867.08 : x
  2. Step 2: Convert to fraction form
    2,910.36/4,358.42 = 1,867.08/x
  3. Step 3: Cross multiply
    2,910.36x = 4,358.42 × 1,867.08
  4. Step 4: Simplify right side
    2,910.36x = 8,137,518.81
  5. Step 5: Solve for x
    x = 8,137,518.81/2,910.36
  6. Step 6: Final answer
    x = 2,796.05

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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.