Home / 2,219.84-3,330.36-739.04

Finding the Fourth Proportional to 2,219.84, 3,330.36 and 739.04

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Solution

The fourth proportional to 2,219.84, 3,330.36 and 739.04 is: 1,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.84 : 3,330.36 = 739.04 : x
  2. Step 2: Convert to fraction form
    2,219.84/3,330.36 = 739.04/x
  3. Step 3: Cross multiply
    2,219.84x = 3,330.36 × 739.04
  4. Step 4: Simplify right side
    2,219.84x = 2,461,269.25
  5. Step 5: Solve for x
    x = 2,461,269.25/2,219.84
  6. Step 6: Final answer
    x = 1,108.76

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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.