Home / 1,490.49-2,052.20-1,265.96

Finding the Fourth Proportional to 1,490.49, 2,052.20 and 1,265.96

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Solution

The fourth proportional to 1,490.49, 2,052.20 and 1,265.96 is: 1,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.49 : 2,052.20 = 1,265.96 : x
  2. Step 2: Convert to fraction form
    1,490.49/2,052.20 = 1,265.96/x
  3. Step 3: Cross multiply
    1,490.49x = 2,052.20 × 1,265.96
  4. Step 4: Simplify right side
    1,490.49x = 2,598,003.11
  5. Step 5: Solve for x
    x = 2,598,003.11/1,490.49
  6. Step 6: Final answer
    x = 1,743.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.