Home / 2,693.19-4,017.12-2,611.20

Finding the Fourth Proportional to 2,693.19, 4,017.12 and 2,611.20

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Solution

The fourth proportional to 2,693.19, 4,017.12 and 2,611.20 is: 3,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.19 : 4,017.12 = 2,611.20 : x
  2. Step 2: Convert to fraction form
    2,693.19/4,017.12 = 2,611.20/x
  3. Step 3: Cross multiply
    2,693.19x = 4,017.12 × 2,611.20
  4. Step 4: Simplify right side
    2,693.19x = 10,489,503.74
  5. Step 5: Solve for x
    x = 10,489,503.74/2,693.19
  6. Step 6: Final answer
    x = 3,894.83

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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.