Home / 3,555.31-5,334.76-2,398.63

Finding the Fourth Proportional to 3,555.31, 5,334.76 and 2,398.63

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Solution

The fourth proportional to 3,555.31, 5,334.76 and 2,398.63 is: 3,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.31 : 5,334.76 = 2,398.63 : x
  2. Step 2: Convert to fraction form
    3,555.31/5,334.76 = 2,398.63/x
  3. Step 3: Cross multiply
    3,555.31x = 5,334.76 × 2,398.63
  4. Step 4: Simplify right side
    3,555.31x = 12,796,115.38
  5. Step 5: Solve for x
    x = 12,796,115.38/3,555.31
  6. Step 6: Final answer
    x = 3,599.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.