Home / 2,920.36-4,375.65-2,053.12

Finding the Fourth Proportional to 2,920.36, 4,375.65 and 2,053.12

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Solution

The fourth proportional to 2,920.36, 4,375.65 and 2,053.12 is: 3,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.36 : 4,375.65 = 2,053.12 : x
  2. Step 2: Convert to fraction form
    2,920.36/4,375.65 = 2,053.12/x
  3. Step 3: Cross multiply
    2,920.36x = 4,375.65 × 2,053.12
  4. Step 4: Simplify right side
    2,920.36x = 8,983,734.53
  5. Step 5: Solve for x
    x = 8,983,734.53/2,920.36
  6. Step 6: Final answer
    x = 3,076.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.