Home / 2,022.40-3,032.72-926.40

Finding the Fourth Proportional to 2,022.40, 3,032.72 and 926.40

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Solution

The fourth proportional to 2,022.40, 3,032.72 and 926.40 is: 1,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.40 : 3,032.72 = 926.40 : x
  2. Step 2: Convert to fraction form
    2,022.40/3,032.72 = 926.40/x
  3. Step 3: Cross multiply
    2,022.40x = 3,032.72 × 926.40
  4. Step 4: Simplify right side
    2,022.40x = 2,809,511.81
  5. Step 5: Solve for x
    x = 2,809,511.81/2,022.40
  6. Step 6: Final answer
    x = 1,389.20

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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.