Home / 3,088.47-4,262.79-1,969.19

Finding the Fourth Proportional to 3,088.47, 4,262.79 and 1,969.19

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Solution

The fourth proportional to 3,088.47, 4,262.79 and 1,969.19 is: 2,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.47 : 4,262.79 = 1,969.19 : x
  2. Step 2: Convert to fraction form
    3,088.47/4,262.79 = 1,969.19/x
  3. Step 3: Cross multiply
    3,088.47x = 4,262.79 × 1,969.19
  4. Step 4: Simplify right side
    3,088.47x = 8,394,222.13
  5. Step 5: Solve for x
    x = 8,394,222.13/3,088.47
  6. Step 6: Final answer
    x = 2,717.92

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1.5x scale

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.