Home / 3,020.76-4,530.58-1,265.29

Finding the Fourth Proportional to 3,020.76, 4,530.58 and 1,265.29

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Solution

The fourth proportional to 3,020.76, 4,530.58 and 1,265.29 is: 1,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.76 : 4,530.58 = 1,265.29 : x
  2. Step 2: Convert to fraction form
    3,020.76/4,530.58 = 1,265.29/x
  3. Step 3: Cross multiply
    3,020.76x = 4,530.58 × 1,265.29
  4. Step 4: Simplify right side
    3,020.76x = 5,732,490.20
  5. Step 5: Solve for x
    x = 5,732,490.20/3,020.76
  6. Step 6: Final answer
    x = 1,897.70

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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.