Home / 3,152.80-4,725.55-1,487.98

Finding the Fourth Proportional to 3,152.80, 4,725.55 and 1,487.98

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Solution

The fourth proportional to 3,152.80, 4,725.55 and 1,487.98 is: 2,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.80 : 4,725.55 = 1,487.98 : x
  2. Step 2: Convert to fraction form
    3,152.80/4,725.55 = 1,487.98/x
  3. Step 3: Cross multiply
    3,152.80x = 4,725.55 × 1,487.98
  4. Step 4: Simplify right side
    3,152.80x = 7,031,523.89
  5. Step 5: Solve for x
    x = 7,031,523.89/3,152.80
  6. Step 6: Final answer
    x = 2,230.25

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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.