Home / 3,210.46-4,807.03-2,097.12

Finding the Fourth Proportional to 3,210.46, 4,807.03 and 2,097.12

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Solution

The fourth proportional to 3,210.46, 4,807.03 and 2,097.12 is: 3,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.46 : 4,807.03 = 2,097.12 : x
  2. Step 2: Convert to fraction form
    3,210.46/4,807.03 = 2,097.12/x
  3. Step 3: Cross multiply
    3,210.46x = 4,807.03 × 2,097.12
  4. Step 4: Simplify right side
    3,210.46x = 10,080,894.91
  5. Step 5: Solve for x
    x = 10,080,894.91/3,210.46
  6. Step 6: Final answer
    x = 3,140.02

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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.