Home / 2,276.60-3,136.82-2,124.20

Finding the Fourth Proportional to 2,276.60, 3,136.82 and 2,124.20

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Solution

The fourth proportional to 2,276.60, 3,136.82 and 2,124.20 is: 2,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.60 : 3,136.82 = 2,124.20 : x
  2. Step 2: Convert to fraction form
    2,276.60/3,136.82 = 2,124.20/x
  3. Step 3: Cross multiply
    2,276.60x = 3,136.82 × 2,124.20
  4. Step 4: Simplify right side
    2,276.60x = 6,663,233.04
  5. Step 5: Solve for x
    x = 6,663,233.04/2,276.60
  6. Step 6: Final answer
    x = 2,926.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.