Home / 3,599.82-5,394.06-2,780.10

Finding the Fourth Proportional to 3,599.82, 5,394.06 and 2,780.10

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Solution

The fourth proportional to 3,599.82, 5,394.06 and 2,780.10 is: 4,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.82 : 5,394.06 = 2,780.10 : x
  2. Step 2: Convert to fraction form
    3,599.82/5,394.06 = 2,780.10/x
  3. Step 3: Cross multiply
    3,599.82x = 5,394.06 × 2,780.10
  4. Step 4: Simplify right side
    3,599.82x = 14,996,026.21
  5. Step 5: Solve for x
    x = 14,996,026.21/3,599.82
  6. Step 6: Final answer
    x = 4,165.77

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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.