Home / 1,953.20-2,925.96-1,130.96

Finding the Fourth Proportional to 1,953.20, 2,925.96 and 1,130.96

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Solution

The fourth proportional to 1,953.20, 2,925.96 and 1,130.96 is: 1,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.20 : 2,925.96 = 1,130.96 : x
  2. Step 2: Convert to fraction form
    1,953.20/2,925.96 = 1,130.96/x
  3. Step 3: Cross multiply
    1,953.20x = 2,925.96 × 1,130.96
  4. Step 4: Simplify right side
    1,953.20x = 3,309,143.72
  5. Step 5: Solve for x
    x = 3,309,143.72/1,953.20
  6. Step 6: Final answer
    x = 1,694.22

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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.