Home / 2,519.71-3,476.78-1,457.58

Finding the Fourth Proportional to 2,519.71, 3,476.78 and 1,457.58

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Solution

The fourth proportional to 2,519.71, 3,476.78 and 1,457.58 is: 2,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.71 : 3,476.78 = 1,457.58 : x
  2. Step 2: Convert to fraction form
    2,519.71/3,476.78 = 1,457.58/x
  3. Step 3: Cross multiply
    2,519.71x = 3,476.78 × 1,457.58
  4. Step 4: Simplify right side
    2,519.71x = 5,067,684.99
  5. Step 5: Solve for x
    x = 5,067,684.99/2,519.71
  6. Step 6: Final answer
    x = 2,011.22

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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.