Home / 2,281.58-3,425.32-1,186.70

Finding the Fourth Proportional to 2,281.58, 3,425.32 and 1,186.70

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Solution

The fourth proportional to 2,281.58, 3,425.32 and 1,186.70 is: 1,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.58 : 3,425.32 = 1,186.70 : x
  2. Step 2: Convert to fraction form
    2,281.58/3,425.32 = 1,186.70/x
  3. Step 3: Cross multiply
    2,281.58x = 3,425.32 × 1,186.70
  4. Step 4: Simplify right side
    2,281.58x = 4,064,827.24
  5. Step 5: Solve for x
    x = 4,064,827.24/2,281.58
  6. Step 6: Final answer
    x = 1,781.58

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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.