Home / 2,628.20-3,937.23-2,007.32

Finding the Fourth Proportional to 2,628.20, 3,937.23 and 2,007.32

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Solution

The fourth proportional to 2,628.20, 3,937.23 and 2,007.32 is: 3,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.20 : 3,937.23 = 2,007.32 : x
  2. Step 2: Convert to fraction form
    2,628.20/3,937.23 = 2,007.32/x
  3. Step 3: Cross multiply
    2,628.20x = 3,937.23 × 2,007.32
  4. Step 4: Simplify right side
    2,628.20x = 7,903,280.52
  5. Step 5: Solve for x
    x = 7,903,280.52/2,628.20
  6. Step 6: Final answer
    x = 3,007.11

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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.