Home / 1,446.61-2,004.71-1,418.92

Finding the Fourth Proportional to 1,446.61, 2,004.71 and 1,418.92

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Solution

The fourth proportional to 1,446.61, 2,004.71 and 1,418.92 is: 1,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.61 : 2,004.71 = 1,418.92 : x
  2. Step 2: Convert to fraction form
    1,446.61/2,004.71 = 1,418.92/x
  3. Step 3: Cross multiply
    1,446.61x = 2,004.71 × 1,418.92
  4. Step 4: Simplify right side
    1,446.61x = 2,844,523.11
  5. Step 5: Solve for x
    x = 2,844,523.11/1,446.61
  6. Step 6: Final answer
    x = 1,966.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.