Home / 3,040.46-4,538.62-2,905.64

Finding the Fourth Proportional to 3,040.46, 4,538.62 and 2,905.64

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Solution

The fourth proportional to 3,040.46, 4,538.62 and 2,905.64 is: 4,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.46 : 4,538.62 = 2,905.64 : x
  2. Step 2: Convert to fraction form
    3,040.46/4,538.62 = 2,905.64/x
  3. Step 3: Cross multiply
    3,040.46x = 4,538.62 × 2,905.64
  4. Step 4: Simplify right side
    3,040.46x = 13,187,595.82
  5. Step 5: Solve for x
    x = 13,187,595.82/3,040.46
  6. Step 6: Final answer
    x = 4,337.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.