Home / 3,263.40-4,895.11-1,072.30

Finding the Fourth Proportional to 3,263.40, 4,895.11 and 1,072.30

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Solution

The fourth proportional to 3,263.40, 4,895.11 and 1,072.30 is: 1,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.40 : 4,895.11 = 1,072.30 : x
  2. Step 2: Convert to fraction form
    3,263.40/4,895.11 = 1,072.30/x
  3. Step 3: Cross multiply
    3,263.40x = 4,895.11 × 1,072.30
  4. Step 4: Simplify right side
    3,263.40x = 5,249,026.45
  5. Step 5: Solve for x
    x = 5,249,026.45/3,263.40
  6. Step 6: Final answer
    x = 1,608.45

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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.