Home / 2,272.28-3,136.55-1,675.47

Finding the Fourth Proportional to 2,272.28, 3,136.55 and 1,675.47

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Solution

The fourth proportional to 2,272.28, 3,136.55 and 1,675.47 is: 2,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.28 : 3,136.55 = 1,675.47 : x
  2. Step 2: Convert to fraction form
    2,272.28/3,136.55 = 1,675.47/x
  3. Step 3: Cross multiply
    2,272.28x = 3,136.55 × 1,675.47
  4. Step 4: Simplify right side
    2,272.28x = 5,255,187.05
  5. Step 5: Solve for x
    x = 5,255,187.05/2,272.28
  6. Step 6: Final answer
    x = 2,312.74

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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.