Home / 2,154.03-3,209.39-2,012.58

Finding the Fourth Proportional to 2,154.03, 3,209.39 and 2,012.58

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Solution

The fourth proportional to 2,154.03, 3,209.39 and 2,012.58 is: 2,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.03 : 3,209.39 = 2,012.58 : x
  2. Step 2: Convert to fraction form
    2,154.03/3,209.39 = 2,012.58/x
  3. Step 3: Cross multiply
    2,154.03x = 3,209.39 × 2,012.58
  4. Step 4: Simplify right side
    2,154.03x = 6,459,151.61
  5. Step 5: Solve for x
    x = 6,459,151.61/2,154.03
  6. Step 6: Final answer
    x = 2,998.64

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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.