Home / 1,348.49-1,861.97-1,054.59

Finding the Fourth Proportional to 1,348.49, 1,861.97 and 1,054.59

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Solution

The fourth proportional to 1,348.49, 1,861.97 and 1,054.59 is: 1,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.49 : 1,861.97 = 1,054.59 : x
  2. Step 2: Convert to fraction form
    1,348.49/1,861.97 = 1,054.59/x
  3. Step 3: Cross multiply
    1,348.49x = 1,861.97 × 1,054.59
  4. Step 4: Simplify right side
    1,348.49x = 1,963,609.67
  5. Step 5: Solve for x
    x = 1,963,609.67/1,348.49
  6. Step 6: Final answer
    x = 1,456.16

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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.