Home / 2,740.34-4,104.13-2,122.06

Finding the Fourth Proportional to 2,740.34, 4,104.13 and 2,122.06

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Solution

The fourth proportional to 2,740.34, 4,104.13 and 2,122.06 is: 3,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.34 : 4,104.13 = 2,122.06 : x
  2. Step 2: Convert to fraction form
    2,740.34/4,104.13 = 2,122.06/x
  3. Step 3: Cross multiply
    2,740.34x = 4,104.13 × 2,122.06
  4. Step 4: Simplify right side
    2,740.34x = 8,709,210.11
  5. Step 5: Solve for x
    x = 8,709,210.11/2,740.34
  6. Step 6: Final answer
    x = 3,178.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.