Home / 4,281.83-5,911.08-2,690.79

Finding the Fourth Proportional to 4,281.83, 5,911.08 and 2,690.79

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Solution

The fourth proportional to 4,281.83, 5,911.08 and 2,690.79 is: 3,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.83 : 5,911.08 = 2,690.79 : x
  2. Step 2: Convert to fraction form
    4,281.83/5,911.08 = 2,690.79/x
  3. Step 3: Cross multiply
    4,281.83x = 5,911.08 × 2,690.79
  4. Step 4: Simplify right side
    4,281.83x = 15,905,442.70
  5. Step 5: Solve for x
    x = 15,905,442.70/4,281.83
  6. Step 6: Final answer
    x = 3,714.64

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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.