Home / 3,141.45-4,338.36-2,587.41

Finding the Fourth Proportional to 3,141.45, 4,338.36 and 2,587.41

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Solution

The fourth proportional to 3,141.45, 4,338.36 and 2,587.41 is: 3,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.45 : 4,338.36 = 2,587.41 : x
  2. Step 2: Convert to fraction form
    3,141.45/4,338.36 = 2,587.41/x
  3. Step 3: Cross multiply
    3,141.45x = 4,338.36 × 2,587.41
  4. Step 4: Simplify right side
    3,141.45x = 11,225,116.05
  5. Step 5: Solve for x
    x = 11,225,116.05/3,141.45
  6. Step 6: Final answer
    x = 3,573.23

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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.