Home / 3,526.48-4,866.88-2,640.80

Finding the Fourth Proportional to 3,526.48, 4,866.88 and 2,640.80

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Solution

The fourth proportional to 3,526.48, 4,866.88 and 2,640.80 is: 3,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.48 : 4,866.88 = 2,640.80 : x
  2. Step 2: Convert to fraction form
    3,526.48/4,866.88 = 2,640.80/x
  3. Step 3: Cross multiply
    3,526.48x = 4,866.88 × 2,640.80
  4. Step 4: Simplify right side
    3,526.48x = 12,852,456.70
  5. Step 5: Solve for x
    x = 12,852,456.70/3,526.48
  6. Step 6: Final answer
    x = 3,644.56

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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.