Home / 3,347.17-4,614.87-2,779.92

Finding the Fourth Proportional to 3,347.17, 4,614.87 and 2,779.92

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Solution

The fourth proportional to 3,347.17, 4,614.87 and 2,779.92 is: 3,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.17 : 4,614.87 = 2,779.92 : x
  2. Step 2: Convert to fraction form
    3,347.17/4,614.87 = 2,779.92/x
  3. Step 3: Cross multiply
    3,347.17x = 4,614.87 × 2,779.92
  4. Step 4: Simplify right side
    3,347.17x = 12,828,979.84
  5. Step 5: Solve for x
    x = 12,828,979.84/3,347.17
  6. Step 6: Final answer
    x = 3,832.78

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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.