Home / 2,870.54-3,961.63-1,611.52

Finding the Fourth Proportional to 2,870.54, 3,961.63 and 1,611.52

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Solution

The fourth proportional to 2,870.54, 3,961.63 and 1,611.52 is: 2,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.54 : 3,961.63 = 1,611.52 : x
  2. Step 2: Convert to fraction form
    2,870.54/3,961.63 = 1,611.52/x
  3. Step 3: Cross multiply
    2,870.54x = 3,961.63 × 1,611.52
  4. Step 4: Simplify right side
    2,870.54x = 6,384,236.13
  5. Step 5: Solve for x
    x = 6,384,236.13/2,870.54
  6. Step 6: Final answer
    x = 2,224.06

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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.