Home / 2,477.24-3,418.68-1,429.04

Finding the Fourth Proportional to 2,477.24, 3,418.68 and 1,429.04

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Solution

The fourth proportional to 2,477.24, 3,418.68 and 1,429.04 is: 1,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.24 : 3,418.68 = 1,429.04 : x
  2. Step 2: Convert to fraction form
    2,477.24/3,418.68 = 1,429.04/x
  3. Step 3: Cross multiply
    2,477.24x = 3,418.68 × 1,429.04
  4. Step 4: Simplify right side
    2,477.24x = 4,885,430.47
  5. Step 5: Solve for x
    x = 4,885,430.47/2,477.24
  6. Step 6: Final answer
    x = 1,972.13

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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.