Home / 2,511.32-3,465.33-1,392.08

Finding the Fourth Proportional to 2,511.32, 3,465.33 and 1,392.08

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Solution

The fourth proportional to 2,511.32, 3,465.33 and 1,392.08 is: 1,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.32 : 3,465.33 = 1,392.08 : x
  2. Step 2: Convert to fraction form
    2,511.32/3,465.33 = 1,392.08/x
  3. Step 3: Cross multiply
    2,511.32x = 3,465.33 × 1,392.08
  4. Step 4: Simplify right side
    2,511.32x = 4,823,999.26
  5. Step 5: Solve for x
    x = 4,823,999.26/2,511.32
  6. Step 6: Final answer
    x = 1,920.91

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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.