Home / 1,910.34-2,864.60-740.89

Finding the Fourth Proportional to 1,910.34, 2,864.60 and 740.89

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Solution

The fourth proportional to 1,910.34, 2,864.60 and 740.89 is: 1,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.34 : 2,864.60 = 740.89 : x
  2. Step 2: Convert to fraction form
    1,910.34/2,864.60 = 740.89/x
  3. Step 3: Cross multiply
    1,910.34x = 2,864.60 × 740.89
  4. Step 4: Simplify right side
    1,910.34x = 2,122,348.09
  5. Step 5: Solve for x
    x = 2,122,348.09/1,910.34
  6. Step 6: Final answer
    x = 1,110.98

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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.