Home / 1,270.43-1,897.06-1,039.77

Finding the Fourth Proportional to 1,270.43, 1,897.06 and 1,039.77

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Solution

The fourth proportional to 1,270.43, 1,897.06 and 1,039.77 is: 1,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.43 : 1,897.06 = 1,039.77 : x
  2. Step 2: Convert to fraction form
    1,270.43/1,897.06 = 1,039.77/x
  3. Step 3: Cross multiply
    1,270.43x = 1,897.06 × 1,039.77
  4. Step 4: Simplify right side
    1,270.43x = 1,972,506.08
  5. Step 5: Solve for x
    x = 1,972,506.08/1,270.43
  6. Step 6: Final answer
    x = 1,552.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.