Home / 1,347.28-2,009.86-1,201.52

Finding the Fourth Proportional to 1,347.28, 2,009.86 and 1,201.52

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Solution

The fourth proportional to 1,347.28, 2,009.86 and 1,201.52 is: 1,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.28 : 2,009.86 = 1,201.52 : x
  2. Step 2: Convert to fraction form
    1,347.28/2,009.86 = 1,201.52/x
  3. Step 3: Cross multiply
    1,347.28x = 2,009.86 × 1,201.52
  4. Step 4: Simplify right side
    1,347.28x = 2,414,886.99
  5. Step 5: Solve for x
    x = 2,414,886.99/1,347.28
  6. Step 6: Final answer
    x = 1,792.42

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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.