Home / 2,227.24-3,071.70-1,528.60

Finding the Fourth Proportional to 2,227.24, 3,071.70 and 1,528.60

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Solution

The fourth proportional to 2,227.24, 3,071.70 and 1,528.60 is: 2,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.24 : 3,071.70 = 1,528.60 : x
  2. Step 2: Convert to fraction form
    2,227.24/3,071.70 = 1,528.60/x
  3. Step 3: Cross multiply
    2,227.24x = 3,071.70 × 1,528.60
  4. Step 4: Simplify right side
    2,227.24x = 4,695,400.62
  5. Step 5: Solve for x
    x = 4,695,400.62/2,227.24
  6. Step 6: Final answer
    x = 2,108.17

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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.