Home / 3,665.58-5,055.87-2,531.68

Finding the Fourth Proportional to 3,665.58, 5,055.87 and 2,531.68

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Solution

The fourth proportional to 3,665.58, 5,055.87 and 2,531.68 is: 3,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.58 : 5,055.87 = 2,531.68 : x
  2. Step 2: Convert to fraction form
    3,665.58/5,055.87 = 2,531.68/x
  3. Step 3: Cross multiply
    3,665.58x = 5,055.87 × 2,531.68
  4. Step 4: Simplify right side
    3,665.58x = 12,799,844.96
  5. Step 5: Solve for x
    x = 12,799,844.96/3,665.58
  6. Step 6: Final answer
    x = 3,491.90

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1.5x scale

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.