Home / 2,025.68-3,036.12-929.12

Finding the Fourth Proportional to 2,025.68, 3,036.12 and 929.12

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Solution

The fourth proportional to 2,025.68, 3,036.12 and 929.12 is: 1,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.68 : 3,036.12 = 929.12 : x
  2. Step 2: Convert to fraction form
    2,025.68/3,036.12 = 929.12/x
  3. Step 3: Cross multiply
    2,025.68x = 3,036.12 × 929.12
  4. Step 4: Simplify right side
    2,025.68x = 2,820,919.81
  5. Step 5: Solve for x
    x = 2,820,919.81/2,025.68
  6. Step 6: Final answer
    x = 1,392.58

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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.