Home / 2,779.92-4,167.45-2,371.68

Finding the Fourth Proportional to 2,779.92, 4,167.45 and 2,371.68

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Solution

The fourth proportional to 2,779.92, 4,167.45 and 2,371.68 is: 3,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.92 : 4,167.45 = 2,371.68 : x
  2. Step 2: Convert to fraction form
    2,779.92/4,167.45 = 2,371.68/x
  3. Step 3: Cross multiply
    2,779.92x = 4,167.45 × 2,371.68
  4. Step 4: Simplify right side
    2,779.92x = 9,883,857.82
  5. Step 5: Solve for x
    x = 9,883,857.82/2,779.92
  6. Step 6: Final answer
    x = 3,555.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.