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Finding the Fourth Proportional to 3,267.95, 4,509.88 and 1,775.98

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Solution

The fourth proportional to 3,267.95, 4,509.88 and 1,775.98 is: 2,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.95 : 4,509.88 = 1,775.98 : x
  2. Step 2: Convert to fraction form
    3,267.95/4,509.88 = 1,775.98/x
  3. Step 3: Cross multiply
    3,267.95x = 4,509.88 × 1,775.98
  4. Step 4: Simplify right side
    3,267.95x = 8,009,432.51
  5. Step 5: Solve for x
    x = 8,009,432.51/3,267.95
  6. Step 6: Final answer
    x = 2,450.91

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1.5x scale

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.