Home / 2,225.34-3,085.97-2,154.06

Finding the Fourth Proportional to 2,225.34, 3,085.97 and 2,154.06

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Solution

The fourth proportional to 2,225.34, 3,085.97 and 2,154.06 is: 2,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.34 : 3,085.97 = 2,154.06 : x
  2. Step 2: Convert to fraction form
    2,225.34/3,085.97 = 2,154.06/x
  3. Step 3: Cross multiply
    2,225.34x = 3,085.97 × 2,154.06
  4. Step 4: Simplify right side
    2,225.34x = 6,647,353.77
  5. Step 5: Solve for x
    x = 6,647,353.77/2,225.34
  6. Step 6: Final answer
    x = 2,987.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.