Home / 3,601.89-4,970.28-2,658.21

Finding the Fourth Proportional to 3,601.89, 4,970.28 and 2,658.21

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Solution

The fourth proportional to 3,601.89, 4,970.28 and 2,658.21 is: 3,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.89 : 4,970.28 = 2,658.21 : x
  2. Step 2: Convert to fraction form
    3,601.89/4,970.28 = 2,658.21/x
  3. Step 3: Cross multiply
    3,601.89x = 4,970.28 × 2,658.21
  4. Step 4: Simplify right side
    3,601.89x = 13,212,048.00
  5. Step 5: Solve for x
    x = 13,212,048.00/3,601.89
  6. Step 6: Final answer
    x = 3,668.09

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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.