Home / 2,841.76-4,237.70-2,630.08

Finding the Fourth Proportional to 2,841.76, 4,237.70 and 2,630.08

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Solution

The fourth proportional to 2,841.76, 4,237.70 and 2,630.08 is: 3,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.76 : 4,237.70 = 2,630.08 : x
  2. Step 2: Convert to fraction form
    2,841.76/4,237.70 = 2,630.08/x
  3. Step 3: Cross multiply
    2,841.76x = 4,237.70 × 2,630.08
  4. Step 4: Simplify right side
    2,841.76x = 11,145,490.02
  5. Step 5: Solve for x
    x = 11,145,490.02/2,841.76
  6. Step 6: Final answer
    x = 3,922.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.