Home / 3,508.64-5,261.90-2,890.81

Finding the Fourth Proportional to 3,508.64, 5,261.90 and 2,890.81

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Solution

The fourth proportional to 3,508.64, 5,261.90 and 2,890.81 is: 4,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.64 : 5,261.90 = 2,890.81 : x
  2. Step 2: Convert to fraction form
    3,508.64/5,261.90 = 2,890.81/x
  3. Step 3: Cross multiply
    3,508.64x = 5,261.90 × 2,890.81
  4. Step 4: Simplify right side
    3,508.64x = 15,211,153.14
  5. Step 5: Solve for x
    x = 15,211,153.14/3,508.64
  6. Step 6: Final answer
    x = 4,335.34

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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.