Home / 2,623.12-3,618.40-1,560.56

Finding the Fourth Proportional to 2,623.12, 3,618.40 and 1,560.56

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Solution

The fourth proportional to 2,623.12, 3,618.40 and 1,560.56 is: 2,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.12 : 3,618.40 = 1,560.56 : x
  2. Step 2: Convert to fraction form
    2,623.12/3,618.40 = 1,560.56/x
  3. Step 3: Cross multiply
    2,623.12x = 3,618.40 × 1,560.56
  4. Step 4: Simplify right side
    2,623.12x = 5,646,730.30
  5. Step 5: Solve for x
    x = 5,646,730.30/2,623.12
  6. Step 6: Final answer
    x = 2,152.68

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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.