Home / 1,771.48-2,445.81-1,270.49

Finding the Fourth Proportional to 1,771.48, 2,445.81 and 1,270.49

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Solution

The fourth proportional to 1,771.48, 2,445.81 and 1,270.49 is: 1,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.48 : 2,445.81 = 1,270.49 : x
  2. Step 2: Convert to fraction form
    1,771.48/2,445.81 = 1,270.49/x
  3. Step 3: Cross multiply
    1,771.48x = 2,445.81 × 1,270.49
  4. Step 4: Simplify right side
    1,771.48x = 3,107,377.15
  5. Step 5: Solve for x
    x = 3,107,377.15/1,771.48
  6. Step 6: Final answer
    x = 1,754.11

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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.