Home / 2,429.72-3,352.80-1,435.04

Finding the Fourth Proportional to 2,429.72, 3,352.80 and 1,435.04

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Solution

The fourth proportional to 2,429.72, 3,352.80 and 1,435.04 is: 1,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.72 : 3,352.80 = 1,435.04 : x
  2. Step 2: Convert to fraction form
    2,429.72/3,352.80 = 1,435.04/x
  3. Step 3: Cross multiply
    2,429.72x = 3,352.80 × 1,435.04
  4. Step 4: Simplify right side
    2,429.72x = 4,811,402.11
  5. Step 5: Solve for x
    x = 4,811,402.11/2,429.72
  6. Step 6: Final answer
    x = 1,980.23

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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.