Home / 2,193.01-3,285.80-1,325.50

Finding the Fourth Proportional to 2,193.01, 3,285.80 and 1,325.50

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Solution

The fourth proportional to 2,193.01, 3,285.80 and 1,325.50 is: 1,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.01 : 3,285.80 = 1,325.50 : x
  2. Step 2: Convert to fraction form
    2,193.01/3,285.80 = 1,325.50/x
  3. Step 3: Cross multiply
    2,193.01x = 3,285.80 × 1,325.50
  4. Step 4: Simplify right side
    2,193.01x = 4,355,327.90
  5. Step 5: Solve for x
    x = 4,355,327.90/2,193.01
  6. Step 6: Final answer
    x = 1,986.00

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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.