Home / 1,972.86-2,722.71-1,088.84

Finding the Fourth Proportional to 1,972.86, 2,722.71 and 1,088.84

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Solution

The fourth proportional to 1,972.86, 2,722.71 and 1,088.84 is: 1,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.86 : 2,722.71 = 1,088.84 : x
  2. Step 2: Convert to fraction form
    1,972.86/2,722.71 = 1,088.84/x
  3. Step 3: Cross multiply
    1,972.86x = 2,722.71 × 1,088.84
  4. Step 4: Simplify right side
    1,972.86x = 2,964,581.94
  5. Step 5: Solve for x
    x = 2,964,581.94/1,972.86
  6. Step 6: Final answer
    x = 1,502.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.