Home / 2,790.48-4,182.18-2,717.81

Finding the Fourth Proportional to 2,790.48, 4,182.18 and 2,717.81

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Solution

The fourth proportional to 2,790.48, 4,182.18 and 2,717.81 is: 4,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.48 : 4,182.18 = 2,717.81 : x
  2. Step 2: Convert to fraction form
    2,790.48/4,182.18 = 2,717.81/x
  3. Step 3: Cross multiply
    2,790.48x = 4,182.18 × 2,717.81
  4. Step 4: Simplify right side
    2,790.48x = 11,366,349.71
  5. Step 5: Solve for x
    x = 11,366,349.71/2,790.48
  6. Step 6: Final answer
    x = 4,073.26

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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.