Home / 3,461.43-4,780.73-2,287.74

Finding the Fourth Proportional to 3,461.43, 4,780.73 and 2,287.74

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Solution

The fourth proportional to 3,461.43, 4,780.73 and 2,287.74 is: 3,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.43 : 4,780.73 = 2,287.74 : x
  2. Step 2: Convert to fraction form
    3,461.43/4,780.73 = 2,287.74/x
  3. Step 3: Cross multiply
    3,461.43x = 4,780.73 × 2,287.74
  4. Step 4: Simplify right side
    3,461.43x = 10,937,067.25
  5. Step 5: Solve for x
    x = 10,937,067.25/3,461.43
  6. Step 6: Final answer
    x = 3,159.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.