Home / 2,747.52-3,788.64-1,814.40

Finding the Fourth Proportional to 2,747.52, 3,788.64 and 1,814.40

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Solution

The fourth proportional to 2,747.52, 3,788.64 and 1,814.40 is: 2,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.52 : 3,788.64 = 1,814.40 : x
  2. Step 2: Convert to fraction form
    2,747.52/3,788.64 = 1,814.40/x
  3. Step 3: Cross multiply
    2,747.52x = 3,788.64 × 1,814.40
  4. Step 4: Simplify right side
    2,747.52x = 6,874,108.42
  5. Step 5: Solve for x
    x = 6,874,108.42/2,747.52
  6. Step 6: Final answer
    x = 2,501.93

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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.