Home / 2,635.66-3,637.20-1,573.62

Finding the Fourth Proportional to 2,635.66, 3,637.20 and 1,573.62

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Solution

The fourth proportional to 2,635.66, 3,637.20 and 1,573.62 is: 2,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.66 : 3,637.20 = 1,573.62 : x
  2. Step 2: Convert to fraction form
    2,635.66/3,637.20 = 1,573.62/x
  3. Step 3: Cross multiply
    2,635.66x = 3,637.20 × 1,573.62
  4. Step 4: Simplify right side
    2,635.66x = 5,723,570.66
  5. Step 5: Solve for x
    x = 5,723,570.66/2,635.66
  6. Step 6: Final answer
    x = 2,171.59

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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.