Home / 2,914.20-4,348.90-2,602.80

Finding the Fourth Proportional to 2,914.20, 4,348.90 and 2,602.80

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Solution

The fourth proportional to 2,914.20, 4,348.90 and 2,602.80 is: 3,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.20 : 4,348.90 = 2,602.80 : x
  2. Step 2: Convert to fraction form
    2,914.20/4,348.90 = 2,602.80/x
  3. Step 3: Cross multiply
    2,914.20x = 4,348.90 × 2,602.80
  4. Step 4: Simplify right side
    2,914.20x = 11,319,316.92
  5. Step 5: Solve for x
    x = 11,319,316.92/2,914.20
  6. Step 6: Final answer
    x = 3,884.19

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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.