Home / 2,659.04-3,988.20-1,056.32

Finding the Fourth Proportional to 2,659.04, 3,988.20 and 1,056.32

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Solution

The fourth proportional to 2,659.04, 3,988.20 and 1,056.32 is: 1,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.04 : 3,988.20 = 1,056.32 : x
  2. Step 2: Convert to fraction form
    2,659.04/3,988.20 = 1,056.32/x
  3. Step 3: Cross multiply
    2,659.04x = 3,988.20 × 1,056.32
  4. Step 4: Simplify right side
    2,659.04x = 4,212,815.42
  5. Step 5: Solve for x
    x = 4,212,815.42/2,659.04
  6. Step 6: Final answer
    x = 1,584.34

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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.