Home / 3,124.80-4,692.67-2,386.69

Finding the Fourth Proportional to 3,124.80, 4,692.67 and 2,386.69

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Solution

The fourth proportional to 3,124.80, 4,692.67 and 2,386.69 is: 3,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.80 : 4,692.67 = 2,386.69 : x
  2. Step 2: Convert to fraction form
    3,124.80/4,692.67 = 2,386.69/x
  3. Step 3: Cross multiply
    3,124.80x = 4,692.67 × 2,386.69
  4. Step 4: Simplify right side
    3,124.80x = 11,199,930.86
  5. Step 5: Solve for x
    x = 11,199,930.86/3,124.80
  6. Step 6: Final answer
    x = 3,584.21

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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.