Home / 3,177.08-4,384.34-1,779.82

Finding the Fourth Proportional to 3,177.08, 4,384.34 and 1,779.82

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Solution

The fourth proportional to 3,177.08, 4,384.34 and 1,779.82 is: 2,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.08 : 4,384.34 = 1,779.82 : x
  2. Step 2: Convert to fraction form
    3,177.08/4,384.34 = 1,779.82/x
  3. Step 3: Cross multiply
    3,177.08x = 4,384.34 × 1,779.82
  4. Step 4: Simplify right side
    3,177.08x = 7,803,336.02
  5. Step 5: Solve for x
    x = 7,803,336.02/3,177.08
  6. Step 6: Final answer
    x = 2,456.13

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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.