Home / 3,141.64-4,330.30-2,511.05

Finding the Fourth Proportional to 3,141.64, 4,330.30 and 2,511.05

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Solution

The fourth proportional to 3,141.64, 4,330.30 and 2,511.05 is: 3,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.64 : 4,330.30 = 2,511.05 : x
  2. Step 2: Convert to fraction form
    3,141.64/4,330.30 = 2,511.05/x
  3. Step 3: Cross multiply
    3,141.64x = 4,330.30 × 2,511.05
  4. Step 4: Simplify right side
    3,141.64x = 10,873,587.26
  5. Step 5: Solve for x
    x = 10,873,587.26/3,141.64
  6. Step 6: Final answer
    x = 3,461.12

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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.