Home / 3,515.28-5,281.13-2,055.47

Finding the Fourth Proportional to 3,515.28, 5,281.13 and 2,055.47

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Solution

The fourth proportional to 3,515.28, 5,281.13 and 2,055.47 is: 3,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.28 : 5,281.13 = 2,055.47 : x
  2. Step 2: Convert to fraction form
    3,515.28/5,281.13 = 2,055.47/x
  3. Step 3: Cross multiply
    3,515.28x = 5,281.13 × 2,055.47
  4. Step 4: Simplify right side
    3,515.28x = 10,855,167.60
  5. Step 5: Solve for x
    x = 10,855,167.60/3,515.28
  6. Step 6: Final answer
    x = 3,088.00

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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.