Home / 2,812.60-3,880.74-1,632.97

Finding the Fourth Proportional to 2,812.60, 3,880.74 and 1,632.97

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Solution

The fourth proportional to 2,812.60, 3,880.74 and 1,632.97 is: 2,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.60 : 3,880.74 = 1,632.97 : x
  2. Step 2: Convert to fraction form
    2,812.60/3,880.74 = 1,632.97/x
  3. Step 3: Cross multiply
    2,812.60x = 3,880.74 × 1,632.97
  4. Step 4: Simplify right side
    2,812.60x = 6,337,132.00
  5. Step 5: Solve for x
    x = 6,337,132.00/2,812.60
  6. Step 6: Final answer
    x = 2,253.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.