Home / 2,565.96-3,558.59-2,405.58

Finding the Fourth Proportional to 2,565.96, 3,558.59 and 2,405.58

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Solution

The fourth proportional to 2,565.96, 3,558.59 and 2,405.58 is: 3,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.96 : 3,558.59 = 2,405.58 : x
  2. Step 2: Convert to fraction form
    2,565.96/3,558.59 = 2,405.58/x
  3. Step 3: Cross multiply
    2,565.96x = 3,558.59 × 2,405.58
  4. Step 4: Simplify right side
    2,565.96x = 8,560,460.90
  5. Step 5: Solve for x
    x = 8,560,460.90/2,565.96
  6. Step 6: Final answer
    x = 3,336.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.