Home / 3,181.60-4,395.36-2,516.32

Finding the Fourth Proportional to 3,181.60, 4,395.36 and 2,516.32

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Solution

The fourth proportional to 3,181.60, 4,395.36 and 2,516.32 is: 3,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.60 : 4,395.36 = 2,516.32 : x
  2. Step 2: Convert to fraction form
    3,181.60/4,395.36 = 2,516.32/x
  3. Step 3: Cross multiply
    3,181.60x = 4,395.36 × 2,516.32
  4. Step 4: Simplify right side
    3,181.60x = 11,060,132.28
  5. Step 5: Solve for x
    x = 11,060,132.28/3,181.60
  6. Step 6: Final answer
    x = 3,476.28

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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.