Home / 4,187.98-6,280.14-2,106.68

Finding the Fourth Proportional to 4,187.98, 6,280.14 and 2,106.68

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Solution

The fourth proportional to 4,187.98, 6,280.14 and 2,106.68 is: 3,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.98 : 6,280.14 = 2,106.68 : x
  2. Step 2: Convert to fraction form
    4,187.98/6,280.14 = 2,106.68/x
  3. Step 3: Cross multiply
    4,187.98x = 6,280.14 × 2,106.68
  4. Step 4: Simplify right side
    4,187.98x = 13,230,245.34
  5. Step 5: Solve for x
    x = 13,230,245.34/4,187.98
  6. Step 6: Final answer
    x = 3,159.10

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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.