Home / 1,925.87-2,887.73-1,310.41

Finding the Fourth Proportional to 1,925.87, 2,887.73 and 1,310.41

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Solution

The fourth proportional to 1,925.87, 2,887.73 and 1,310.41 is: 1,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.87 : 2,887.73 = 1,310.41 : x
  2. Step 2: Convert to fraction form
    1,925.87/2,887.73 = 1,310.41/x
  3. Step 3: Cross multiply
    1,925.87x = 2,887.73 × 1,310.41
  4. Step 4: Simplify right side
    1,925.87x = 3,784,089.28
  5. Step 5: Solve for x
    x = 3,784,089.28/1,925.87
  6. Step 6: Final answer
    x = 1,964.87

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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.