Home / 3,485.07-5,229.39-2,315.88

Finding the Fourth Proportional to 3,485.07, 5,229.39 and 2,315.88

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Solution

The fourth proportional to 3,485.07, 5,229.39 and 2,315.88 is: 3,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.07 : 5,229.39 = 2,315.88 : x
  2. Step 2: Convert to fraction form
    3,485.07/5,229.39 = 2,315.88/x
  3. Step 3: Cross multiply
    3,485.07x = 5,229.39 × 2,315.88
  4. Step 4: Simplify right side
    3,485.07x = 12,110,639.71
  5. Step 5: Solve for x
    x = 12,110,639.71/3,485.07
  6. Step 6: Final answer
    x = 3,475.01

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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.