Home / 2,558.59-3,815.36-2,356.63

Finding the Fourth Proportional to 2,558.59, 3,815.36 and 2,356.63

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Solution

The fourth proportional to 2,558.59, 3,815.36 and 2,356.63 is: 3,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.59 : 3,815.36 = 2,356.63 : x
  2. Step 2: Convert to fraction form
    2,558.59/3,815.36 = 2,356.63/x
  3. Step 3: Cross multiply
    2,558.59x = 3,815.36 × 2,356.63
  4. Step 4: Simplify right side
    2,558.59x = 8,991,391.84
  5. Step 5: Solve for x
    x = 8,991,391.84/2,558.59
  6. Step 6: Final answer
    x = 3,514.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.