Home / 2,290.78-3,153.90-2,037.52

Finding the Fourth Proportional to 2,290.78, 3,153.90 and 2,037.52

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Solution

The fourth proportional to 2,290.78, 3,153.90 and 2,037.52 is: 2,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.78 : 3,153.90 = 2,037.52 : x
  2. Step 2: Convert to fraction form
    2,290.78/3,153.90 = 2,037.52/x
  3. Step 3: Cross multiply
    2,290.78x = 3,153.90 × 2,037.52
  4. Step 4: Simplify right side
    2,290.78x = 6,426,134.33
  5. Step 5: Solve for x
    x = 6,426,134.33/2,290.78
  6. Step 6: Final answer
    x = 2,805.22

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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.