Home / 2,737.29-3,779.46-2,138.30

Finding the Fourth Proportional to 2,737.29, 3,779.46 and 2,138.30

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Solution

The fourth proportional to 2,737.29, 3,779.46 and 2,138.30 is: 2,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.29 : 3,779.46 = 2,138.30 : x
  2. Step 2: Convert to fraction form
    2,737.29/3,779.46 = 2,138.30/x
  3. Step 3: Cross multiply
    2,737.29x = 3,779.46 × 2,138.30
  4. Step 4: Simplify right side
    2,737.29x = 8,081,614.59
  5. Step 5: Solve for x
    x = 8,081,614.59/2,737.29
  6. Step 6: Final answer
    x = 2,952.41

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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.