Home / 1,270.19-1,902.76-1,010.63

Finding the Fourth Proportional to 1,270.19, 1,902.76 and 1,010.63

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Solution

The fourth proportional to 1,270.19, 1,902.76 and 1,010.63 is: 1,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.19 : 1,902.76 = 1,010.63 : x
  2. Step 2: Convert to fraction form
    1,270.19/1,902.76 = 1,010.63/x
  3. Step 3: Cross multiply
    1,270.19x = 1,902.76 × 1,010.63
  4. Step 4: Simplify right side
    1,270.19x = 1,922,986.34
  5. Step 5: Solve for x
    x = 1,922,986.34/1,270.19
  6. Step 6: Final answer
    x = 1,513.94

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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.