Home / 2,890.89-4,337.62-2,644.79

Finding the Fourth Proportional to 2,890.89, 4,337.62 and 2,644.79

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Solution

The fourth proportional to 2,890.89, 4,337.62 and 2,644.79 is: 3,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.89 : 4,337.62 = 2,644.79 : x
  2. Step 2: Convert to fraction form
    2,890.89/4,337.62 = 2,644.79/x
  3. Step 3: Cross multiply
    2,890.89x = 4,337.62 × 2,644.79
  4. Step 4: Simplify right side
    2,890.89x = 11,472,065.70
  5. Step 5: Solve for x
    x = 11,472,065.70/2,890.89
  6. Step 6: Final answer
    x = 3,968.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.