Home / 3,670.05-5,504.40-2,280.90

Finding the Fourth Proportional to 3,670.05, 5,504.40 and 2,280.90

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Solution

The fourth proportional to 3,670.05, 5,504.40 and 2,280.90 is: 3,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.05 : 5,504.40 = 2,280.90 : x
  2. Step 2: Convert to fraction form
    3,670.05/5,504.40 = 2,280.90/x
  3. Step 3: Cross multiply
    3,670.05x = 5,504.40 × 2,280.90
  4. Step 4: Simplify right side
    3,670.05x = 12,554,985.96
  5. Step 5: Solve for x
    x = 12,554,985.96/3,670.05
  6. Step 6: Final answer
    x = 3,420.93

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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.