Home / 3,095.95-4,269.21-2,152.80

Finding the Fourth Proportional to 3,095.95, 4,269.21 and 2,152.80

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Solution

The fourth proportional to 3,095.95, 4,269.21 and 2,152.80 is: 2,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.95 : 4,269.21 = 2,152.80 : x
  2. Step 2: Convert to fraction form
    3,095.95/4,269.21 = 2,152.80/x
  3. Step 3: Cross multiply
    3,095.95x = 4,269.21 × 2,152.80
  4. Step 4: Simplify right side
    3,095.95x = 9,190,755.29
  5. Step 5: Solve for x
    x = 9,190,755.29/3,095.95
  6. Step 6: Final answer
    x = 2,968.64

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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.