Home / 2,620.56-3,925.80-2,329.68

Finding the Fourth Proportional to 2,620.56, 3,925.80 and 2,329.68

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Solution

The fourth proportional to 2,620.56, 3,925.80 and 2,329.68 is: 3,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.56 : 3,925.80 = 2,329.68 : x
  2. Step 2: Convert to fraction form
    2,620.56/3,925.80 = 2,329.68/x
  3. Step 3: Cross multiply
    2,620.56x = 3,925.80 × 2,329.68
  4. Step 4: Simplify right side
    2,620.56x = 9,145,857.74
  5. Step 5: Solve for x
    x = 9,145,857.74/2,620.56
  6. Step 6: Final answer
    x = 3,490.04

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1.5x scale

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.