Home / 1,943.10-2,907.27-1,078.02

Finding the Fourth Proportional to 1,943.10, 2,907.27 and 1,078.02

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Solution

The fourth proportional to 1,943.10, 2,907.27 and 1,078.02 is: 1,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.10 : 2,907.27 = 1,078.02 : x
  2. Step 2: Convert to fraction form
    1,943.10/2,907.27 = 1,078.02/x
  3. Step 3: Cross multiply
    1,943.10x = 2,907.27 × 1,078.02
  4. Step 4: Simplify right side
    1,943.10x = 3,134,095.21
  5. Step 5: Solve for x
    x = 3,134,095.21/1,943.10
  6. Step 6: Final answer
    x = 1,612.94

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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.