Home / 2,219.04-3,325.76-1,123.68

Finding the Fourth Proportional to 2,219.04, 3,325.76 and 1,123.68

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Solution

The fourth proportional to 2,219.04, 3,325.76 and 1,123.68 is: 1,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.04 : 3,325.76 = 1,123.68 : x
  2. Step 2: Convert to fraction form
    2,219.04/3,325.76 = 1,123.68/x
  3. Step 3: Cross multiply
    2,219.04x = 3,325.76 × 1,123.68
  4. Step 4: Simplify right side
    2,219.04x = 3,737,090.00
  5. Step 5: Solve for x
    x = 3,737,090.00/2,219.04
  6. Step 6: Final answer
    x = 1,684.10

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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.