Home / 2,925.12-4,387.63-733.87

Finding the Fourth Proportional to 2,925.12, 4,387.63 and 733.87

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Solution

The fourth proportional to 2,925.12, 4,387.63 and 733.87 is: 1,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.12 : 4,387.63 = 733.87 : x
  2. Step 2: Convert to fraction form
    2,925.12/4,387.63 = 733.87/x
  3. Step 3: Cross multiply
    2,925.12x = 4,387.63 × 733.87
  4. Step 4: Simplify right side
    2,925.12x = 3,219,950.03
  5. Step 5: Solve for x
    x = 3,219,950.03/2,925.12
  6. Step 6: Final answer
    x = 1,100.79

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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.