Home / 3,179.02-4,389.08-2,590.96

Finding the Fourth Proportional to 3,179.02, 4,389.08 and 2,590.96

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Solution

The fourth proportional to 3,179.02, 4,389.08 and 2,590.96 is: 3,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.02 : 4,389.08 = 2,590.96 : x
  2. Step 2: Convert to fraction form
    3,179.02/4,389.08 = 2,590.96/x
  3. Step 3: Cross multiply
    3,179.02x = 4,389.08 × 2,590.96
  4. Step 4: Simplify right side
    3,179.02x = 11,371,930.72
  5. Step 5: Solve for x
    x = 11,371,930.72/3,179.02
  6. Step 6: Final answer
    x = 3,577.18

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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.