Home / 2,007.28-3,008.64-1,130.20

Finding the Fourth Proportional to 2,007.28, 3,008.64 and 1,130.20

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Solution

The fourth proportional to 2,007.28, 3,008.64 and 1,130.20 is: 1,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.28 : 3,008.64 = 1,130.20 : x
  2. Step 2: Convert to fraction form
    2,007.28/3,008.64 = 1,130.20/x
  3. Step 3: Cross multiply
    2,007.28x = 3,008.64 × 1,130.20
  4. Step 4: Simplify right side
    2,007.28x = 3,400,378.57
  5. Step 5: Solve for x
    x = 3,400,378.57/2,007.28
  6. Step 6: Final answer
    x = 1,694.02

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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.