Home / 3,176.93-4,384.15-1,779.68

Finding the Fourth Proportional to 3,176.93, 4,384.15 and 1,779.68

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Solution

The fourth proportional to 3,176.93, 4,384.15 and 1,779.68 is: 2,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.93 : 4,384.15 = 1,779.68 : x
  2. Step 2: Convert to fraction form
    3,176.93/4,384.15 = 1,779.68/x
  3. Step 3: Cross multiply
    3,176.93x = 4,384.15 × 1,779.68
  4. Step 4: Simplify right side
    3,176.93x = 7,802,390.58
  5. Step 5: Solve for x
    x = 7,802,390.58/3,176.93
  6. Step 6: Final answer
    x = 2,455.95

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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.