Home / 2,337.78-3,226.08-1,289.82

Finding the Fourth Proportional to 2,337.78, 3,226.08 and 1,289.82

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Solution

The fourth proportional to 2,337.78, 3,226.08 and 1,289.82 is: 1,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.78 : 3,226.08 = 1,289.82 : x
  2. Step 2: Convert to fraction form
    2,337.78/3,226.08 = 1,289.82/x
  3. Step 3: Cross multiply
    2,337.78x = 3,226.08 × 1,289.82
  4. Step 4: Simplify right side
    2,337.78x = 4,161,062.51
  5. Step 5: Solve for x
    x = 4,161,062.51/2,337.78
  6. Step 6: Final answer
    x = 1,779.92

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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.