Home / 3,237.18-4,855.77-1,387.09

Finding the Fourth Proportional to 3,237.18, 4,855.77 and 1,387.09

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Solution

The fourth proportional to 3,237.18, 4,855.77 and 1,387.09 is: 2,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.18 : 4,855.77 = 1,387.09 : x
  2. Step 2: Convert to fraction form
    3,237.18/4,855.77 = 1,387.09/x
  3. Step 3: Cross multiply
    3,237.18x = 4,855.77 × 1,387.09
  4. Step 4: Simplify right side
    3,237.18x = 6,735,386.54
  5. Step 5: Solve for x
    x = 6,735,386.54/3,237.18
  6. Step 6: Final answer
    x = 2,080.64

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1.5x scale

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.