Home / 2,511.09-3,465.24-1,392.03

Finding the Fourth Proportional to 2,511.09, 3,465.24 and 1,392.03

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Solution

The fourth proportional to 2,511.09, 3,465.24 and 1,392.03 is: 1,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.09 : 3,465.24 = 1,392.03 : x
  2. Step 2: Convert to fraction form
    2,511.09/3,465.24 = 1,392.03/x
  3. Step 3: Cross multiply
    2,511.09x = 3,465.24 × 1,392.03
  4. Step 4: Simplify right side
    2,511.09x = 4,823,718.04
  5. Step 5: Solve for x
    x = 4,823,718.04/2,511.09
  6. Step 6: Final answer
    x = 1,920.97

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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.