Home / 2,114.16-3,154.48-2,101.92

Finding the Fourth Proportional to 2,114.16, 3,154.48 and 2,101.92

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Solution

The fourth proportional to 2,114.16, 3,154.48 and 2,101.92 is: 3,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.16 : 3,154.48 = 2,101.92 : x
  2. Step 2: Convert to fraction form
    2,114.16/3,154.48 = 2,101.92/x
  3. Step 3: Cross multiply
    2,114.16x = 3,154.48 × 2,101.92
  4. Step 4: Simplify right side
    2,114.16x = 6,630,464.60
  5. Step 5: Solve for x
    x = 6,630,464.60/2,114.16
  6. Step 6: Final answer
    x = 3,136.22

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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.