Home / 2,984.50-4,117.40-1,725.31

Finding the Fourth Proportional to 2,984.50, 4,117.40 and 1,725.31

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Solution

The fourth proportional to 2,984.50, 4,117.40 and 1,725.31 is: 2,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.50 : 4,117.40 = 1,725.31 : x
  2. Step 2: Convert to fraction form
    2,984.50/4,117.40 = 1,725.31/x
  3. Step 3: Cross multiply
    2,984.50x = 4,117.40 × 1,725.31
  4. Step 4: Simplify right side
    2,984.50x = 7,103,791.39
  5. Step 5: Solve for x
    x = 7,103,791.39/2,984.50
  6. Step 6: Final answer
    x = 2,380.23

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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.