Home / 3,707.30-5,115.64-2,214.87

Finding the Fourth Proportional to 3,707.30, 5,115.64 and 2,214.87

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Solution

The fourth proportional to 3,707.30, 5,115.64 and 2,214.87 is: 3,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.30 : 5,115.64 = 2,214.87 : x
  2. Step 2: Convert to fraction form
    3,707.30/5,115.64 = 2,214.87/x
  3. Step 3: Cross multiply
    3,707.30x = 5,115.64 × 2,214.87
  4. Step 4: Simplify right side
    3,707.30x = 11,330,477.57
  5. Step 5: Solve for x
    x = 11,330,477.57/3,707.30
  6. Step 6: Final answer
    x = 3,056.26

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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.