Home / 1,611.02-2,417.30-880.56

Finding the Fourth Proportional to 1,611.02, 2,417.30 and 880.56

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Solution

The fourth proportional to 1,611.02, 2,417.30 and 880.56 is: 1,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.02 : 2,417.30 = 880.56 : x
  2. Step 2: Convert to fraction form
    1,611.02/2,417.30 = 880.56/x
  3. Step 3: Cross multiply
    1,611.02x = 2,417.30 × 880.56
  4. Step 4: Simplify right side
    1,611.02x = 2,128,573.29
  5. Step 5: Solve for x
    x = 2,128,573.29/1,611.02
  6. Step 6: Final answer
    x = 1,321.26

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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.