Home / 3,515.41-5,281.31-2,055.58

Finding the Fourth Proportional to 3,515.41, 5,281.31 and 2,055.58

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Solution

The fourth proportional to 3,515.41, 5,281.31 and 2,055.58 is: 3,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.41 : 5,281.31 = 2,055.58 : x
  2. Step 2: Convert to fraction form
    3,515.41/5,281.31 = 2,055.58/x
  3. Step 3: Cross multiply
    3,515.41x = 5,281.31 × 2,055.58
  4. Step 4: Simplify right side
    3,515.41x = 10,856,165.84
  5. Step 5: Solve for x
    x = 10,856,165.84/3,515.41
  6. Step 6: Final answer
    x = 3,088.17

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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.